Chapter 2. cinder

acs5000_copy_interval = 5

integer value

When volume copy task is going on,refresh volume status interval

acs5000_multiattach = False

boolean value

Enable to allow volumes attaching to multiple hosts with no limit.

acs5000_volpool_name = ['pool01']

list value

Comma separated list of storage system storage pools for volumes.

allocated_capacity_weight_multiplier = -1.0

floating point value

Multiplier used for weighing allocated capacity. Positive numbers mean to stack vs spread.

allow_availability_zone_fallback = False

boolean value

If the requested Cinder availability zone is unavailable, fall back to the value of default_availability_zone, then storage_availability_zone, instead of failing.

allow_compression_on_image_upload = False

boolean value

The strategy to use for image compression on upload. Default is disallow compression.

allowed_direct_url_schemes = []

list value

A list of url schemes that can be downloaded directly via the direct_url. Currently supported schemes: [file, cinder].

api_enable_ssl = True

boolean value

Specify whether to use SSL or not when accessing the composer APIs

api_paste_config = api-paste.ini

string value

File name for the paste.deploy config for api service

api_rate_limit = True

boolean value

Enables or disables rate limit of the API.

as13000_ipsan_pools = ['Pool0']

list value

The Storage Pools Cinder should use, a comma separated list.

as13000_meta_pool = None

string value

The pool which is used as a meta pool when creating a volume, and it should be a replication pool at present. If not set, the driver will choose a replication pool from the value of as13000_ipsan_pools.

as13000_token_available_time = 3300

integer value

The effective time of token validity in seconds.

auth_strategy = keystone

string value

The strategy to use for auth. Supports noauth, noauth_include_project_id or keystone.

az_cache_duration = 3600

integer value

Cache volume availability zones in memory for the provided duration in seconds

backdoor_port = None

string value

Enable eventlet backdoor. Acceptable values are 0, <port>, and <start>:<end>, where 0 results in listening on a random tcp port number; <port> results in listening on the specified port number (and not enabling backdoor if that port is in use); and <start>:<end> results in listening on the smallest unused port number within the specified range of port numbers. The chosen port is displayed in the service’s log file.

backdoor_socket = None

string value

Enable eventlet backdoor, using the provided path as a unix socket that can receive connections. This option is mutually exclusive with backdoor_port in that only one should be provided. If both are provided then the existence of this option overrides the usage of that option. Inside the path {pid} will be replaced with the PID of the current process.

backend_availability_zone = None

string value

Availability zone for this volume backend. If not set, the storage_availability_zone option value is used as the default for all backends.

backend_stats_polling_interval = 60

integer value

Time in seconds between requests for usage statistics from the backend. Be aware that generating usage statistics is expensive for some backends, so setting this value too low may adversely affect performance.

backup_api_class = cinder.backup.api.API

string value

The full class name of the volume backup API class

backup_ceph_chunk_size = 134217728

integer value

The chunk size, in bytes, that a backup is broken into before transfer to the Ceph object store.

backup_ceph_conf = /etc/ceph/ceph.conf

string value

Ceph configuration file to use.

backup_ceph_image_journals = False

boolean value

If True, apply JOURNALING and EXCLUSIVE_LOCK feature bits to the backup RBD objects to allow mirroring

backup_ceph_pool = backups

string value

The Ceph pool where volume backups are stored.

backup_ceph_stripe_count = 0

integer value

RBD stripe count to use when creating a backup image.

backup_ceph_stripe_unit = 0

integer value

RBD stripe unit to use when creating a backup image.

backup_ceph_user = cinder

string value

The Ceph user to connect with. Default here is to use the same user as for Cinder volumes. If not using cephx this should be set to None.

backup_compression_algorithm = zlib

string value

Compression algorithm for backups (none to disable)

backup_container = None

string value

Custom directory to use for backups.

backup_driver = cinder.backup.drivers.swift.SwiftBackupDriver

string value

Driver to use for backups.

backup_driver_init_check_interval = 60

integer value

Time in seconds between checks to see if the backup driver has been successfully initialized, any time the driver is restarted.

backup_driver_stats_polling_interval = 60

integer value

Time in seconds between checks of the backup driver status. If does not report as working, it is restarted.

backup_enable_progress_timer = True

boolean value

Enable or Disable the timer to send the periodic progress notifications to Ceilometer when backing up the volume to the backend storage. The default value is True to enable the timer.

backup_file_size = 1999994880

integer value

The maximum size in bytes of the files used to hold backups. If the volume being backed up exceeds this size, then it will be backed up into multiple files. backup_file_size also determines the buffer size used to build backup files, so should be scaled according to available RAM and number of workers. backup_file_size must be a multiple of backup_sha_block_size_bytes.

backup_manager = cinder.backup.manager.BackupManager

string value

Full class name for the Manager for volume backup

backup_max_operations = 15

integer value

Maximum number of concurrent memory heavy operations: backup and restore. Value of 0 means unlimited

backup_metadata_version = 2

integer value

Backup metadata version to be used when backing up volume metadata. If this number is bumped, make sure the service doing the restore supports the new version.

backup_mount_attempts = 3

integer value

The number of attempts to mount NFS shares before raising an error.

backup_mount_options = None

string value

Mount options passed to the NFS client. See NFS man page for details.

backup_mount_point_base = $state_path/backup_mount

string value

Base dir containing mount point for NFS share.

backup_name_template = backup-%s

string value

Template string to be used to generate backup names

backup_native_threads_pool_size = 60

integer value

Size of the native threads pool for the backups. Most backup drivers rely heavily on this, it can be decreased for specific drivers that don’t.

backup_object_number_per_notification = 10

integer value

The number of chunks or objects, for which one Ceilometer notification will be sent

backup_posix_path = $state_path/backup

string value

Path specifying where to store backups.

backup_s3_block_size = 32768

integer value

The size in bytes that changes are tracked for incremental backups. backup_s3_object_size has to be multiple of backup_s3_block_size.

backup_s3_ca_cert_file = None

string value

path/to/cert/bundle.pem - A filename of the CA cert bundle to use.

backup_s3_enable_progress_timer = True

boolean value

Enable or Disable the timer to send the periodic progress notifications to Ceilometer when backing up the volume to the S3 backend storage. The default value is True to enable the timer.

backup_s3_endpoint_url = None

string value

The url where the S3 server is listening.

`backup_s3_http_proxy = `

string value

Address or host for the http proxy server.

`backup_s3_https_proxy = `

string value

Address or host for the https proxy server.

backup_s3_max_pool_connections = 10

integer value

The maximum number of connections to keep in a connection pool.

backup_s3_md5_validation = True

boolean value

Enable or Disable md5 validation in the s3 backend.

backup_s3_object_size = 52428800

integer value

The size in bytes of S3 backup objects

backup_s3_retry_max_attempts = 4

integer value

An integer representing the maximum number of retry attempts that will be made on a single request.

backup_s3_retry_mode = legacy

string value

A string representing the type of retry mode. e.g: legacy, standard, adaptive

backup_s3_sse_customer_algorithm = None

string value

The SSECustomerAlgorithm. backup_s3_sse_customer_key must be set at the same time to enable SSE.

backup_s3_sse_customer_key = None

string value

The SSECustomerKey. backup_s3_sse_customer_algorithm must be set at the same time to enable SSE.

backup_s3_store_access_key = None

string value

The S3 query token access key.

backup_s3_store_bucket = volumebackups

string value

The S3 bucket to be used to store the Cinder backup data.

backup_s3_store_secret_key = None

string value

The S3 query token secret key.

backup_s3_timeout = 60

floating point value

The time in seconds till a timeout exception is thrown.

backup_s3_verify_ssl = True

boolean value

Enable or Disable ssl verify.

backup_service_inithost_offload = True

boolean value

Offload pending backup delete during backup service startup. If false, the backup service will remain down until all pending backups are deleted.

backup_sha_block_size_bytes = 32768

integer value

The size in bytes that changes are tracked for incremental backups. backup_file_size has to be multiple of backup_sha_block_size_bytes.

backup_share = None

string value

NFS share in hostname:path, ipv4addr:path, or "[ipv6addr]:path" format.

backup_swift_auth = per_user

string value

Swift authentication mechanism (per_user or single_user).

backup_swift_auth_insecure = False

boolean value

Bypass verification of server certificate when making SSL connection to Swift.

backup_swift_auth_url = None

uri value

The URL of the Keystone endpoint

backup_swift_auth_version = 1

string value

Swift authentication version. Specify "1" for auth 1.0, or "2" for auth 2.0 or "3" for auth 3.0

backup_swift_block_size = 32768

integer value

The size in bytes that changes are tracked for incremental backups. backup_swift_object_size has to be multiple of backup_swift_block_size.

backup_swift_ca_cert_file = None

string value

Location of the CA certificate file to use for swift client requests.

backup_swift_container = volumebackups

string value

The default Swift container to use

backup_swift_create_storage_policy = None

string value

The storage policy to use when creating the Swift container. If the container already exists the storage policy cannot be enforced

backup_swift_enable_progress_timer = True

boolean value

Enable or Disable the timer to send the periodic progress notifications to Ceilometer when backing up the volume to the Swift backend storage. The default value is True to enable the timer.

backup_swift_key = None

string value

Swift key for authentication

backup_swift_object_size = 52428800

integer value

The size in bytes of Swift backup objects

backup_swift_project = None

string value

Swift project/account name. Required when connecting to an auth 3.0 system

backup_swift_project_domain = None

string value

Swift project domain name. Required when connecting to an auth 3.0 system

backup_swift_retry_attempts = 3

integer value

The number of retries to make for Swift operations

backup_swift_retry_backoff = 2

integer value

The backoff time in seconds between Swift retries

backup_swift_service_auth = False

boolean value

Send a X-Service-Token header with service auth credentials. If enabled you also must set the service_user group and enable send_service_user_token.

backup_swift_tenant = None

string value

Swift tenant/account name. Required when connecting to an auth 2.0 system

backup_swift_url = None

uri value

The URL of the Swift endpoint

backup_swift_user = None

string value

Swift user name

backup_swift_user_domain = None

string value

Swift user domain name. Required when connecting to an auth 3.0 system

backup_timer_interval = 120

integer value

Interval, in seconds, between two progress notifications reporting the backup status

backup_use_same_host = False

boolean value

Backup services use same backend.

backup_use_temp_snapshot = False

boolean value

If this is set to True, a temporary snapshot will be created for performing non-disruptive backups. Otherwise a temporary volume will be cloned in order to perform a backup.

backup_workers = 1

integer value

Number of backup processes to launch. Improves performance with concurrent backups.

capacity_weight_multiplier = 1.0

floating point value

Multiplier used for weighing free capacity. Negative numbers mean to stack vs spread.

`chap_password = `

string value

Password for specified CHAP account name.

chap_password_len = 12

integer value

Length of the random string for CHAP password.

`chap_username = `

string value

CHAP user name.

chiscsi_conf = /etc/chelsio-iscsi/chiscsi.conf

string value

Chiscsi (CXT) global defaults configuration file

cinder_internal_tenant_project_id = None

string value

ID of the project which will be used as the Cinder internal tenant.

cinder_internal_tenant_user_id = None

string value

ID of the user to be used in volume operations as the Cinder internal tenant.

client_socket_timeout = 900

integer value

Timeout for client connections' socket operations. If an incoming connection is idle for this number of seconds it will be closed. A value of 0 means wait forever.

clone_volume_timeout = 680

integer value

Create clone volume timeout Deprecated since: 14.0.0

*Reason:*FusionStorage cinder driver refactored the code with Restful method and the old CLI mode has been abandon. So those configuration items are no longer used.

cloned_volume_same_az = True

boolean value

Ensure that the new volumes are the same AZ as snapshot or source volume

cluster = None

string value

Name of this cluster. Used to group volume hosts that share the same backend configurations to work in HA Active-Active mode.

compression_format = gzip

string value

Image compression format on image upload

compute_api_class = cinder.compute.nova.API

string value

The full class name of the compute API class to use

config-dir = ['~/.project/project.conf.d/', '~/project.conf.d/', '/etc/project/project.conf.d/', '/etc/project.conf.d/']

list value

Path to a config directory to pull *.conf files from. This file set is sorted, so as to provide a predictable parse order if individual options are over-ridden. The set is parsed after the file(s) specified via previous --config-file, arguments hence over-ridden options in the directory take precedence. This option must be set from the command-line.

config-file = ['~/.project/project.conf', '~/project.conf', '/etc/project/project.conf', '/etc/project.conf']

unknown value

Path to a config file to use. Multiple config files can be specified, with values in later files taking precedence. Defaults to %(default)s. This option must be set from the command-line.

config_source = []

list value

Lists configuration groups that provide more details for accessing configuration settings from locations other than local files.

conn_pool_min_size = 2

integer value

The pool size limit for connections expiration policy

conn_pool_ttl = 1200

integer value

The time-to-live in sec of idle connections in the pool

consistencygroup_api_class = cinder.consistencygroup.api.API

string value

The full class name of the consistencygroup API class

control_exchange = openstack

string value

The default exchange under which topics are scoped. May be overridden by an exchange name specified in the transport_url option.

datera_503_interval = 5

integer value

Interval between 503 retries

datera_503_timeout = 120

integer value

Timeout for HTTP 503 retry messages

datera_api_port = 7717

string value

Datera API port.

datera_api_version = 2.2

string value

Datera API version.

datera_debug = False

boolean value

True to set function arg and return logging

datera_debug_replica_count_override = False

boolean value

ONLY FOR DEBUG/TESTING PURPOSES True to set replica_count to 1

datera_disable_extended_metadata = False

boolean value

Set to True to disable sending additional metadata to the Datera backend

datera_disable_profiler = False

boolean value

Set to True to disable profiling in the Datera driver

datera_disable_template_override = False

boolean value

Set to True to disable automatic template override of the size attribute when creating from a template

datera_enable_image_cache = False

boolean value

Set to True to enable Datera backend image caching

datera_image_cache_volume_type_id = None

string value

Cinder volume type id to use for cached volumes

datera_ldap_server = None

string value

LDAP authentication server

datera_tenant_id = None

string value

If set to Map -→ OpenStack project ID will be mapped implicitly to Datera tenant ID If set to None -→ Datera tenant ID will not be used during volume provisioning If set to anything else -→ Datera tenant ID will be the provided value

datera_volume_type_defaults = {}

dict value

Settings here will be used as volume-type defaults if the volume-type setting is not provided. This can be used, for example, to set a very low total_iops_max value if none is specified in the volume-type to prevent accidental overusage. Options are specified via the following format, WITHOUT ANY DF: PREFIX: datera_volume_type_defaults=iops_per_gb:100,bandwidth_per_gb:200…​etc.

debug = False

boolean value

If set to true, the logging level will be set to DEBUG instead of the default INFO level.

default_availability_zone = None

string value

Default availability zone for new volumes. If not set, the storage_availability_zone option value is used as the default for new volumes.

default_group_type = None

string value

Default group type to use

default_log_levels = ['amqp=WARN', 'amqplib=WARN', 'boto=WARN', 'qpid=WARN', 'sqlalchemy=WARN', 'suds=INFO', 'oslo.messaging=INFO', 'oslo_messaging=INFO', 'iso8601=WARN', 'requests.packages.urllib3.connectionpool=WARN', 'urllib3.connectionpool=WARN', 'websocket=WARN', 'requests.packages.urllib3.util.retry=WARN', 'urllib3.util.retry=WARN', 'keystonemiddleware=WARN', 'routes.middleware=WARN', 'stevedore=WARN', 'taskflow=WARN', 'keystoneauth=WARN', 'oslo.cache=INFO', 'oslo_policy=INFO', 'dogpile.core.dogpile=INFO']

list value

List of package logging levels in logger=LEVEL pairs. This option is ignored if log_config_append is set.

default_sandstone_target_ips = []

list value

SandStone default target ip.

default_volume_type = __DEFAULT__

string value

Default volume type to use

driver_client_cert = None

string value

The path to the client certificate for verification, if the driver supports it.

driver_client_cert_key = None

string value

The path to the client certificate key for verification, if the driver supports it.

driver_data_namespace = None

string value

Namespace for driver private data values to be saved in.

driver_ssl_cert_path = None

string value

Can be used to specify a non default path to a CA_BUNDLE file or directory with certificates of trusted CAs, which will be used to validate the backend

driver_ssl_cert_verify = False

boolean value

If set to True the http client will validate the SSL certificate of the backend endpoint.

driver_use_ssl = False

boolean value

Tell driver to use SSL for connection to backend storage if the driver supports it.

dsware_isthin = False

boolean value

The flag of thin storage allocation. Deprecated since: 14.0.0

*Reason:*FusionStorage cinder driver refactored the code with Restful method and the old CLI mode has been abandon. So those configuration items are no longer used.

`dsware_manager = `

string value

Fusionstorage manager ip addr for cinder-volume. Deprecated since: 14.0.0

*Reason:*FusionStorage cinder driver refactored the code with Restful method and the old CLI mode has been abandon. So those configuration items are no longer used.

`dsware_rest_url = `

string value

The address of FusionStorage array. For example, "dsware_rest_url=xxx"

`dsware_storage_pools = `

string value

The list of pools on the FusionStorage array, the semicolon(;) was used to split the storage pools, "dsware_storage_pools = xxx1; xxx2; xxx3"

enable_force_upload = False

boolean value

Enables the Force option on upload_to_image. This enables running upload_volume on in-use volumes for backends that support it.

enable_new_services = True

boolean value

Services to be added to the available pool on create

enable_unsupported_driver = False

boolean value

Set this to True when you want to allow an unsupported driver to start. Drivers that haven’t maintained a working CI system and testing are marked as unsupported until CI is working again. This also marks a driver as deprecated and may be removed in the next release.

enabled_backends = None

list value

A list of backend names to use. These backend names should be backed by a unique [CONFIG] group with its options

enforce_multipath_for_image_xfer = False

boolean value

If this is set to True, attachment of volumes for image transfer will be aborted when multipathd is not running. Otherwise, it will fallback to single path. This parameter needs to be configured for each backend section or in [backend_defaults] section as a common configuration for all backends.

executor_thread_pool_size = 64

integer value

Size of executor thread pool when executor is threading or eventlet.

fatal_deprecations = False

boolean value

Enables or disables fatal status of deprecations.

filter_function = None

string value

String representation for an equation that will be used to filter hosts. Only used when the driver filter is set to be used by the Cinder scheduler.

fsc_clone_volume_timeout = 1800

integer value

Create clone volume timeout in seconds

`fusionstorageagent = `

string value

Fusionstorage agent ip addr range Deprecated since: 14.0.0

*Reason:*FusionStorage cinder driver refactored the code with Restful method and the old CLI mode has been abandon. So those configuration items are no longer used.

glance_api_insecure = False

boolean value

Allow to perform insecure SSL (https) requests to glance (https will be used but cert validation will not be performed).

glance_api_servers = None

list value

A list of the URLs of glance API servers available to cinder ([http[s]://][hostname|ip]:port). If protocol is not specified it defaults to http.

glance_api_ssl_compression = False

boolean value

Enables or disables negotiation of SSL layer compression. In some cases disabling compression can improve data throughput, such as when high network bandwidth is available and you use compressed image formats like qcow2.

glance_ca_certificates_file = None

string value

Location of ca certificates file to use for glance client requests.

glance_catalog_info = image:glance:publicURL

string value

Info to match when looking for glance in the service catalog. Format is: separated values of the form: <service_type>:<service_name>:<endpoint_type> - Only used if glance_api_servers are not provided.

glance_certfile = None

string value

Location of certificate file to use for glance client requests.

glance_core_properties = ['checksum', 'container_format', 'disk_format', 'image_name', 'image_id', 'min_disk', 'min_ram', 'name', 'size']

list value

Default core properties of image

glance_keyfile = None

string value

Location of certificate key file to use for glance client requests.

glance_num_retries = 3

integer value

Number retries when downloading an image from glance

glance_request_timeout = None

integer value

http/https timeout value for glance operations. If no value (None) is supplied here, the glanceclient default value is used.

glusterfs_backup_mount_point = $state_path/backup_mount

string value

Base dir containing mount point for gluster share.

glusterfs_backup_share = None

string value

GlusterFS share in <hostname|ipv4addr|ipv6addr>:<gluster_vol_name> format. Eg: 1.2.3.4:backup_vol

goodness_function = None

string value

String representation for an equation that will be used to determine the goodness of a host. Only used when using the goodness weigher is set to be used by the Cinder scheduler.

graceful_shutdown_timeout = 60

integer value

Specify a timeout after which a gracefully shutdown server will exit. Zero value means endless wait.

group_api_class = cinder.group.api.API

string value

The full class name of the group API class

hitachi_mirror_auth_password = None

string value

iSCSI authentication password

hitachi_mirror_auth_user = None

string value

iSCSI authentication username

hitachi_mirror_compute_target_ports = []

list value

Target port names of compute node for host group or iSCSI target

hitachi_mirror_ldev_range = None

string value

Logical device range of secondary storage system

hitachi_mirror_pair_target_number = 0

integer value

Pair target name of the host group or iSCSI target

hitachi_mirror_pool = None

string value

Pool of secondary storage system

hitachi_mirror_rest_api_ip = None

string value

IP address of REST API server

hitachi_mirror_rest_api_port = 443

port value

Port number of REST API server

hitachi_mirror_rest_pair_target_ports = []

list value

Target port names for pair of the host group or iSCSI target

hitachi_mirror_rest_password = None

string value

Password of secondary storage system for REST API

hitachi_mirror_rest_user = None

string value

Username of secondary storage system for REST API

hitachi_mirror_snap_pool = None

string value

Thin pool of secondary storage system

hitachi_mirror_ssl_cert_path = None

string value

Can be used to specify a non default path to a CA_BUNDLE file or directory with certificates of trusted CAs, which will be used to validate the backend

hitachi_mirror_ssl_cert_verify = False

boolean value

If set to True the http client will validate the SSL certificate of the backend endpoint.

hitachi_mirror_storage_id = None

string value

ID of secondary storage system

hitachi_mirror_target_ports = []

list value

Target port names for host group or iSCSI target

hitachi_mirror_use_chap_auth = False

boolean value

Whether or not to use iSCSI authentication

hitachi_path_group_id = 0

integer value

Path group ID assigned to the remote connection for remote replication

hitachi_quorum_disk_id = None

integer value

ID of the Quorum disk used for global-active device

hitachi_replication_copy_speed = 3

integer value

Remote copy speed of storage system. 1 or 2 indicates low speed, 3 indicates middle speed, and a value between 4 and 15 indicates high speed.

hitachi_replication_number = 0

integer value

Instance number for REST API

hitachi_replication_status_check_long_interval = 600

integer value

Interval at which remote replication pair status is checked. This parameter is applied if the status has not changed to the expected status after the time indicated by this parameter has elapsed.

hitachi_replication_status_check_short_interval = 5

integer value

Initial interval at which remote replication pair status is checked

hitachi_replication_status_check_timeout = 86400

integer value

Maximum wait time before the remote replication pair status changes to the expected status

hitachi_set_mirror_reserve_attribute = True

boolean value

Whether or not to set the mirror reserve attribute

host = <based on operating system>

string value

Name of this node. This can be an opaque identifier. It is not necessarily a host name, FQDN, or IP address.

iet_conf = /etc/iet/ietd.conf

string value

DEPRECATED: IET configuration file

image_compress_on_upload = True

boolean value

When possible, compress images uploaded to the image service

image_conversion_address_space_limit = 1

integer value

Address space limit in gigabytes to convert the image

image_conversion_cpu_limit = 60

integer value

CPU time limit in seconds to convert the image

image_conversion_dir = $state_path/conversion

string value

Directory used for temporary storage during image conversion

image_conversion_disable = False

boolean value

Disallow image conversion when creating a volume from an image and when uploading a volume as an image. Image conversion consumes a large amount of system resources and can cause performance problems on the cinder-volume node. When set True, this option disables image conversion.

image_upload_use_cinder_backend = False

boolean value

If set to True, upload-to-image in raw format will create a cloned volume and register its location to the image service, instead of uploading the volume content. The cinder backend and locations support must be enabled in the image service.

image_upload_use_internal_tenant = False

boolean value

If set to True, the image volume created by upload-to-image will be placed in the internal tenant. Otherwise, the image volume is created in the current context’s tenant.

image_volume_cache_enabled = False

boolean value

Enable the image volume cache for this backend.

image_volume_cache_max_count = 0

integer value

Max number of entries allowed in the image volume cache. 0 ⇒ unlimited.

image_volume_cache_max_size_gb = 0

integer value

Max size of the image volume cache for this backend in GB. 0 ⇒ unlimited.

infortrend_cli_cache = False

boolean value

The Infortrend CLI cache. While set True, the RAID status report will use cache stored in the CLI. Never enable this unless the RAID is managed only by Openstack and only by one infortrend cinder-volume backend. Otherwise, CLI might report out-dated status to cinder and thus there might be some race condition among all backend/CLIs.

infortrend_cli_max_retries = 5

integer value

The maximum retry times if a command fails.

infortrend_cli_path = /opt/bin/Infortrend/raidcmd_ESDS10.jar

string value

The Infortrend CLI absolute path.

infortrend_cli_timeout = 60

integer value

The timeout for CLI in seconds.

infortrend_iqn_prefix = iqn.2002-10.com.infortrend

string value

Infortrend iqn prefix for iSCSI.

`infortrend_pools_name = `

list value

The Infortrend logical volumes name list. It is separated with comma.

`infortrend_slots_a_channels_id = `

list value

Infortrend raid channel ID list on Slot A for OpenStack usage. It is separated with comma.

`infortrend_slots_b_channels_id = `

list value

Infortrend raid channel ID list on Slot B for OpenStack usage. It is separated with comma.

init_host_max_objects_retrieval = 0

integer value

Max number of volumes and snapshots to be retrieved per batch during volume manager host initialization. Query results will be obtained in batches from the database and not in one shot to avoid extreme memory usage. Set 0 to turn off this functionality.

initiator_assign_sandstone_target_ip = {}

dict value

Support initiator assign target with assign ip.

`instance_format = [instance: %(uuid)s] `

string value

The format for an instance that is passed with the log message.

`instance_uuid_format = [instance: %(uuid)s] `

string value

The format for an instance UUID that is passed with the log message.

instorage_mcs_allow_tenant_qos = False

boolean value

Allow tenants to specify QOS on create

instorage_mcs_iscsi_chap_enabled = True

boolean value

Configure CHAP authentication for iSCSI connections (Default: Enabled)

instorage_mcs_localcopy_rate = 50

integer value

Specifies the InStorage LocalCopy copy rate to be used when creating a full volume copy. The default rate is 50, and the valid rates are 1-100.

instorage_mcs_localcopy_timeout = 120

integer value

Maximum number of seconds to wait for LocalCopy to be prepared.

instorage_mcs_vol_autoexpand = True

boolean value

Storage system autoexpand parameter for volumes (True/False)

instorage_mcs_vol_compression = False

boolean value

Storage system compression option for volumes

instorage_mcs_vol_grainsize = 256

integer value

Storage system grain size parameter for volumes (32/64/128/256)

instorage_mcs_vol_intier = True

boolean value

Enable InTier for volumes

instorage_mcs_vol_iogrp = 0

string value

The I/O group in which to allocate volumes. It can be a comma-separated list in which case the driver will select an io_group based on least number of volumes associated with the io_group.

instorage_mcs_vol_rsize = 2

integer value

Storage system space-efficiency parameter for volumes (percentage)

instorage_mcs_vol_warning = 0

integer value

Storage system threshold for volume capacity warnings (percentage)

instorage_mcs_volpool_name = ['volpool']

list value

Comma separated list of storage system storage pools for volumes.

instorage_san_secondary_ip = None

string value

Specifies secondary management IP or hostname to be used if san_ip is invalid or becomes inaccessible.

iops_for_image_migration = 250000

integer value

Maximum read IOPS that volume can get when reading data from the volume during host assisted migration

iscsi_iotype = fileio

string value

Sets the behavior of the iSCSI target to either perform blockio or fileio optionally, auto can be set and Cinder will autodetect type of backing device

`iscsi_target_flags = `

string value

Sets the target-specific flags for the iSCSI target. Only used for tgtadm to specify backing device flags using bsoflags option. The specified string is passed as is to the underlying tool.

iscsi_write_cache = on

string value

Sets the behavior of the iSCSI target to either perform write-back(on) or write-through(off). This parameter is valid if target_helper is set to tgtadm.

iser_helper = tgtadm

string value

The name of the iSER target user-land tool to use

iser_ip_address = $my_ip

string value

The IP address that the iSER daemon is listening on

iser_port = 3260

port value

The port that the iSER daemon is listening on

iser_target_prefix = iqn.2010-10.org.openstack:

string value

Prefix for iSER volumes

java_path = /usr/bin/java

string value

The Java absolute path.

jovian_block_size = 64K

string value

Block size for new volume

jovian_ignore_tpath = []

list value

List of multipath ip addresses to ignore.

jovian_pool = Pool-0

string value

JovianDSS pool that holds all cinder volumes

jovian_recovery_delay = 60

integer value

Time before HA cluster failure.

keystone_catalog_info = identity:Identity Service:publicURL

string value

Info to match when looking for keystone in the service catalog. Format is: separated values of the form: <service_type>:<service_name>:<endpoint_type> - Only used if backup_swift_auth_url is unset

kioxia_block_size = 4096

integer value

Volume block size in bytes - 512 or 4096 (Default).

kioxia_cafile = None

string value

Cert for provisioner REST API SSL

kioxia_desired_bw_per_gb = 0

integer value

Desired bandwidth in B/s per GB.

kioxia_desired_iops_per_gb = 0

integer value

Desired IOPS/GB.

kioxia_max_bw_per_gb = 0

integer value

Upper limit for bandwidth in B/s per GB.

kioxia_max_iops_per_gb = 0

integer value

Upper limit for IOPS/GB.

kioxia_max_replica_down_time = 0

integer value

Replicated volume max downtime for replica in minutes.

kioxia_num_replicas = 1

integer value

Number of volume replicas.

kioxia_provisioning_type = THICK

string value

Thin or thick volume, Default thick.

kioxia_same_rack_allowed = False

boolean value

Can more than one replica be allocated to same rack.

kioxia_snap_reserved_space_percentage = 0

integer value

Percentage of the parent volume to be used for log.

kioxia_snap_vol_reserved_space_percentage = 0

integer value

Writable snapshot percentage of parent volume used for log.

kioxia_snap_vol_span_allowed = True

boolean value

Allow span in snapshot volume - Default True.

kioxia_span_allowed = True

boolean value

Allow span - Default True.

kioxia_token = None

string value

KumoScale Provisioner auth token.

kioxia_url = None

string value

KumoScale provisioner REST API URL

kioxia_vol_reserved_space_percentage = 0

integer value

Thin volume reserved capacity allocation percentage.

kioxia_writable = False

boolean value

Volumes from snapshot writeable or not.

log-config-append = None

string value

The name of a logging configuration file. This file is appended to any existing logging configuration files. For details about logging configuration files, see the Python logging module documentation. Note that when logging configuration files are used then all logging configuration is set in the configuration file and other logging configuration options are ignored (for example, log-date-format).

log-date-format = %Y-%m-%d %H:%M:%S

string value

Defines the format string for %%(asctime)s in log records. Default: %(default)s . This option is ignored if log_config_append is set.

log-dir = None

string value

(Optional) The base directory used for relative log_file paths. This option is ignored if log_config_append is set.

log-file = None

string value

(Optional) Name of log file to send logging output to. If no default is set, logging will go to stderr as defined by use_stderr. This option is ignored if log_config_append is set.

log_options = True

boolean value

Enables or disables logging values of all registered options when starting a service (at DEBUG level).

log_rotate_interval = 1

integer value

The amount of time before the log files are rotated. This option is ignored unless log_rotation_type is set to "interval".

log_rotate_interval_type = days

string value

Rotation interval type. The time of the last file change (or the time when the service was started) is used when scheduling the next rotation.

log_rotation_type = none

string value

Log rotation type.

logging_context_format_string = %(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [%(global_request_id)s %(request_id)s %(user_identity)s] %(instance)s%(message)s

string value

Format string to use for log messages with context. Used by oslo_log.formatters.ContextFormatter

logging_debug_format_suffix = %(funcName)s %(pathname)s:%(lineno)d

string value

Additional data to append to log message when logging level for the message is DEBUG. Used by oslo_log.formatters.ContextFormatter

logging_default_format_string = %(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [-] %(instance)s%(message)s

string value

Format string to use for log messages when context is undefined. Used by oslo_log.formatters.ContextFormatter

logging_exception_prefix = %(asctime)s.%(msecs)03d %(process)d ERROR %(name)s %(instance)s

string value

Prefix each line of exception output with this format. Used by oslo_log.formatters.ContextFormatter

logging_user_identity_format = %(user)s %(project)s %(domain)s %(system_scope)s %(user_domain)s %(project_domain)s

string value

Defines the format string for %(user_identity)s that is used in logging_context_format_string. Used by oslo_log.formatters.ContextFormatter

manager_ips = {}

dict value

This option is to support the FSA to mount across the different nodes. The parameters takes the standard dict config form, manager_ips = host1:ip1, host2:ip2…​

max_age = 0

integer value

Number of seconds between subsequent usage refreshes

max_header_line = 16384

integer value

Maximum line size of message headers to be accepted. max_header_line may need to be increased when using large tokens (typically those generated when keystone is configured to use PKI tokens with big service catalogs).

max_logfile_count = 30

integer value

Maximum number of rotated log files.

max_logfile_size_mb = 200

integer value

Log file maximum size in MB. This option is ignored if "log_rotation_type" is not set to "size".

max_over_subscription_ratio = 20.0

string value

Representation of the over subscription ratio when thin provisioning is enabled. Default ratio is 20.0, meaning provisioned capacity can be 20 times of the total physical capacity. If the ratio is 10.5, it means provisioned capacity can be 10.5 times of the total physical capacity. A ratio of 1.0 means provisioned capacity cannot exceed the total physical capacity. If ratio is auto, Cinder will automatically calculate the ratio based on the provisioned capacity and the used space. If not set to auto, the ratio has to be a minimum of 1.0.

message_reap_interval = 86400

integer value

interval between periodic task runs to clean expired messages in seconds.

message_ttl = 2592000

integer value

message minimum life in seconds.

migration_create_volume_timeout_secs = 300

integer value

Timeout for creating the volume to migrate to when performing volume migration (seconds)

monkey_patch = False

boolean value

Enable monkey patching

monkey_patch_modules = []

list value

List of modules/decorators to monkey patch

my_ip = <based on operating system>

host address value

IP address of this host

no_snapshot_gb_quota = False

boolean value

Whether snapshots sizes count against global and per volume type gigabyte quotas. By default snapshots' sizes are counted.

num_iser_scan_tries = 3

integer value

The maximum number of times to rescan iSER target to find volume

num_shell_tries = 3

integer value

Number of times to attempt to run flakey shell commands

num_volume_device_scan_tries = 3

integer value

The maximum number of times to rescan targets to find volume

nvme_connect_port = 4420

port value

The port number to be used when doing nvme connect from host

nvmeof_conn_info_version = 1

integer value

NVMe os-brick connector has 2 different connection info formats, this allows some NVMe-oF drivers that use the original format (version 1), such as spdk and LVM-nvmet, to send the newer format.

nvmet_ns_id = 10

integer value

Namespace id for the subsystem for the LVM volume when not sharing targets. The minimum id value when sharing.Maximum supported value in Linux is 8192

nvmet_port_id = 1

port value

The id of the NVMe target port definition when not sharing targets. The starting port id value when sharing, incremented for each secondary ip address.

osapi_max_limit = 1000

integer value

The maximum number of items that a collection resource returns in a single response

osapi_volume_ext_list = []

list value

Specify list of extensions to load when using osapi_volume_extension option with cinder.api.contrib.select_extensions

osapi_volume_extension = ['cinder.api.contrib.standard_extensions']

multi valued

osapi volume extension to load

osapi_volume_listen = 0.0.0.0

string value

IP address on which OpenStack Volume API listens

osapi_volume_listen_port = 8776

port value

Port on which OpenStack Volume API listens

osapi_volume_use_ssl = False

boolean value

Wraps the socket in a SSL context if True is set. A certificate file and key file must be specified.

osapi_volume_workers = None

integer value

Number of workers for OpenStack Volume API service. The default is equal to the number of CPUs available.

per_volume_size_limit = -1

integer value

Max size allowed per volume, in gigabytes

periodic_fuzzy_delay = 60

integer value

Range, in seconds, to randomly delay when starting the periodic task scheduler to reduce stampeding. (Disable by setting to 0)

periodic_interval = 60

integer value

Interval, in seconds, between running periodic tasks

pool_id_filter = []

list value

Pool id permit to use Deprecated since: 14.0.0

*Reason:*FusionStorage cinder driver refactored the code with Restful method and the old CLI mode has been abandon. So those configuration items are no longer used.

pool_type = default

string value

Pool type, like sata-2copy Deprecated since: 14.0.0

*Reason:*FusionStorage cinder driver refactored the code with Restful method and the old CLI mode has been abandon. So those configuration items are no longer used.

project_id_regex = [0-9a-f\-]+

string value

The validation regex for project_ids used in urls. This defaults to [0-9a-f\\-]+ if not set, which matches normal uuids created by keystone.

public_endpoint = None

string value

Public url to use for versions endpoint. The default is None, which will use the request’s host_url attribute to populate the URL base. If Cinder is operating behind a proxy, you will want to change this to represent the proxy’s URL.

publish_errors = False

boolean value

Enables or disables publication of error events.

quota_backup_gigabytes = 1000

integer value

Total amount of storage, in gigabytes, allowed for backups per project

quota_backups = 10

integer value

Number of volume backups allowed per project

quota_consistencygroups = 10

integer value

Number of consistencygroups allowed per project

quota_driver = cinder.quota.DbQuotaDriver

string value

Default driver to use for quota checks

quota_gigabytes = 1000

integer value

Total amount of storage, in gigabytes, allowed for volumes and snapshots per project

quota_groups = 10

integer value

Number of groups allowed per project

quota_snapshots = 10

integer value

Number of volume snapshots allowed per project

quota_volumes = 10

integer value

Number of volumes allowed per project

rate_limit_burst = 0

integer value

Maximum number of logged messages per rate_limit_interval.

rate_limit_except_level = CRITICAL

string value

Log level name used by rate limiting: CRITICAL, ERROR, INFO, WARNING, DEBUG or empty string. Logs with level greater or equal to rate_limit_except_level are not filtered. An empty string means that all levels are filtered.

rate_limit_interval = 0

integer value

Interval, number of seconds, of log rate limiting.

reinit_driver_count = 3

integer value

Maximum times to reintialize the driver if volume initialization fails. The interval of retry is exponentially backoff, and will be 1s, 2s, 4s etc.

replication_device = None

dict value

Multi opt of dictionaries to represent a replication target device. This option may be specified multiple times in a single config section to specify multiple replication target devices. Each entry takes the standard dict config form: replication_device = target_device_id:<required>,key1:value1,key2:value2…​

report_discard_supported = False

boolean value

Report to clients of Cinder that the backend supports discard (aka. trim/unmap). This will not actually change the behavior of the backend or the client directly, it will only notify that it can be used.

report_interval = 10

integer value

Interval, in seconds, between nodes reporting state to datastore

reservation_clean_interval = $reservation_expire

integer value

Interval between periodic task runs to clean expired reservations in seconds.

reservation_expire = 86400

integer value

Number of seconds until a reservation expires

reserved_image_namespaces = []

list value

List of reserved image namespaces that should be filtered out when uploading a volume as an image back to Glance. When a volume is created from an image, Cinder stores the image properties as volume image metadata, and if the volume is later uploaded as an image, Cinder will add these properties when it creates the image in Glance. This can cause problems for image metadata that are in namespaces that glance reserves for itself, or when properties (such as an image signature) cannot apply to the new image, or when an operator has configured glance property protections to make some image properties read-only. Cinder will always filter out image metadata in the namespaces os_glance and img_signature; this configuration option allows operators to specify additional namespaces to be excluded.

reserved_percentage = 0

integer value

The percentage of backend capacity is reserved

resource_query_filters_file = /etc/cinder/resource_filters.json

string value

Json file indicating user visible filter parameters for list queries.

restore_discard_excess_bytes = True

boolean value

If True, always discard excess bytes when restoring volumes i.e. pad with zeroes.

rootwrap_config = /etc/cinder/rootwrap.conf

string value

Path to the rootwrap configuration file to use for running commands as root

rpc_conn_pool_size = 30

integer value

Size of RPC connection pool.

rpc_ping_enabled = False

boolean value

Add an endpoint to answer to ping calls. Endpoint is named oslo_rpc_server_ping

rpc_response_timeout = 60

integer value

Seconds to wait for a response from a call.

run_external_periodic_tasks = True

boolean value

Some periodic tasks can be run in a separate process. Should we run them here?

`san_hosts = `

list value

IP address of Open-E JovianDSS SA

`sandstone_pool = `

string value

SandStone storage pool resource name.

scheduler_default_filters = ['AvailabilityZoneFilter', 'CapacityFilter', 'CapabilitiesFilter']

list value

Which filter class names to use for filtering hosts when not specified in the request.

scheduler_default_weighers = ['CapacityWeigher']

list value

Which weigher class names to use for weighing hosts.

scheduler_driver = cinder.scheduler.filter_scheduler.FilterScheduler

string value

Default scheduler driver to use

scheduler_driver_init_wait_time = 60

integer value

Maximum time in seconds to wait for the driver to report as ready

scheduler_host_manager = cinder.scheduler.host_manager.HostManager

string value

The scheduler host manager class to use

`scheduler_json_config_location = `

string value

Absolute path to scheduler configuration JSON file.

scheduler_manager = cinder.scheduler.manager.SchedulerManager

string value

Full class name for the Manager for scheduler

scheduler_max_attempts = 3

integer value

Maximum number of attempts to schedule a volume

scheduler_weight_handler = cinder.scheduler.weights.OrderedHostWeightHandler

string value

Which handler to use for selecting the host/pool after weighing

scst_target_driver = iscsi

string value

SCST target implementation can choose from multiple SCST target drivers.

scst_target_iqn_name = None

string value

Certain ISCSI targets have predefined target names, SCST target driver uses this name.

service_down_time = 60

integer value

Maximum time since last check-in for a service to be considered up

snapshot_name_template = snapshot-%s

string value

Template string to be used to generate snapshot names

snapshot_same_host = True

boolean value

Create volume from snapshot at the host where snapshot resides

split_loggers = False

boolean value

Log requests to multiple loggers.

ssh_hosts_key_file = $state_path/ssh_known_hosts

string value

File containing SSH host keys for the systems with which Cinder needs to communicate. OPTIONAL: Default=$state_path/ssh_known_hosts

state_path = /var/lib/cinder

string value

Top-level directory for maintaining cinder’s state

storage_availability_zone = nova

string value

Availability zone of this node. Can be overridden per volume backend with the option "backend_availability_zone".

storage_protocol = iSCSI

string value

Protocol for transferring data between host and storage back-end.

strict_ssh_host_key_policy = False

boolean value

Option to enable strict host key checking. When set to "True" Cinder will only connect to systems with a host key present in the configured "ssh_hosts_key_file". When set to "False" the host key will be saved upon first connection and used for subsequent connections. Default=False

swift_catalog_info = object-store:swift:publicURL

string value

Info to match when looking for swift in the service catalog. Format is: separated values of the form: <service_type>:<service_name>:<endpoint_type> - Only used if backup_swift_url is unset

syslog-log-facility = LOG_USER

string value

Syslog facility to receive log lines. This option is ignored if log_config_append is set.

target_helper = tgtadm

string value

Target user-land tool to use. tgtadm is default, use lioadm for LIO iSCSI support, scstadmin for SCST target support, ietadm for iSCSI Enterprise Target, iscsictl for Chelsio iSCSI Target, nvmet for NVMEoF support, spdk-nvmeof for SPDK NVMe-oF, or fake for testing. Note: The IET driver is deprecated and will be removed in the V release.

target_ip_address = $my_ip

string value

The IP address that the iSCSI/NVMEoF daemon is listening on

target_port = 3260

port value

The port that the iSCSI/NVMEoF daemon is listening on

target_prefix = iqn.2010-10.org.openstack:

string value

Prefix for iSCSI/NVMEoF volumes

target_protocol = iscsi

string value

Determines the target protocol for new volumes, created with tgtadm, lioadm and nvmet target helpers. In order to enable RDMA, this parameter should be set with the value "iser". The supported iSCSI protocol values are "iscsi" and "iser", in case of nvmet target set to "nvmet_rdma" or "nvmet_tcp".

target_secondary_ip_addresses = []

list value

The list of secondary IP addresses of the iSCSI/NVMEoF daemon

tcp_keepalive = True

boolean value

Sets the value of TCP_KEEPALIVE (True/False) for each server socket.

tcp_keepalive_count = None

integer value

Sets the value of TCP_KEEPCNT for each server socket. Not supported on OS X.

tcp_keepalive_interval = None

integer value

Sets the value of TCP_KEEPINTVL in seconds for each server socket. Not supported on OS X.

tcp_keepidle = 600

integer value

Sets the value of TCP_KEEPIDLE in seconds for each server socket. Not supported on OS X.

trace_flags = None

list value

List of options that control which trace info is written to the DEBUG log level to assist developers. Valid values are method and api.

transfer_api_class = cinder.transfer.api.API

string value

The full class name of the volume transfer API class

transport_url = rabbit://

string value

The network address and optional user credentials for connecting to the messaging backend, in URL format. The expected format is:

driver://[user:pass@]host:port[,[userN:passN@]hostN:portN]/virtual_host?query

Example: rabbit://rabbitmq:password@127.0.0.1:5672//

For full details on the fields in the URL see the documentation of oslo_messaging.TransportURL at https://docs.openstack.org/oslo.messaging/latest/reference/transport.html

until_refresh = 0

integer value

Count of reservations until usage is refreshed

use-journal = False

boolean value

Enable journald for logging. If running in a systemd environment you may wish to enable journal support. Doing so will use the journal native protocol which includes structured metadata in addition to log messages.This option is ignored if log_config_append is set.

use-json = False

boolean value

Use JSON formatting for logging. This option is ignored if log_config_append is set.

use-syslog = False

boolean value

Use syslog for logging. Existing syslog format is DEPRECATED and will be changed later to honor RFC5424. This option is ignored if log_config_append is set.

use_chap_auth = False

boolean value

Option to enable/disable CHAP authentication for targets.

use_default_quota_class = True

boolean value

Enables or disables use of default quota class with default quota.

use_eventlog = False

boolean value

Log output to Windows Event Log.

use_forwarded_for = False

boolean value

Treat X-Forwarded-For as the canonical remote address. Only enable this if you have a sanitizing proxy.

use_multipath_for_image_xfer = False

boolean value

Do we attach/detach volumes in cinder using multipath for volume to image and image to volume transfers? This parameter needs to be configured for each backend section or in [backend_defaults] section as a common configuration for all backends.

use_stderr = False

boolean value

Log output to standard error. This option is ignored if log_config_append is set.

verify_glance_signatures = enabled

string value

Enable image signature verification.

Cinder uses the image signature metadata from Glance and verifies the signature of a signed image while downloading that image. There are two options here.

If the image signature cannot be verified or if the image signature metadata is incomplete when required, then Cinder will not create the volume and update it into an error state. This provides end users with stronger assurances of the integrity of the image data they are using to create volumes.

vmdk_allowed_types = ['streamOptimized', 'monolithicSparse']

list value

A list of strings describing the VMDK createType subformats that are allowed. We recommend that you only include single-file-with-sparse-header variants to avoid potential host file exposure when processing named extents when an image is converted to raw format as it is written to a volume. If this list is empty, no VMDK images are allowed.

volume_api_class = cinder.volume.api.API

string value

The full class name of the volume API class to use

volume_backend_name = None

string value

The backend name for a given driver implementation

volume_clear = zero

string value

Method used to wipe old volumes

volume_clear_ionice = None

string value

The flag to pass to ionice to alter the i/o priority of the process used to zero a volume after deletion, for example "-c3" for idle only priority.

volume_clear_size = 0

integer value

Size in MiB to wipe at start of old volumes. 1024 MiB at max. 0 ⇒ all

volume_copy_blkio_cgroup_name = cinder-volume-copy

string value

The blkio cgroup name to be used to limit bandwidth of volume copy

volume_copy_bps_limit = 0

integer value

The upper limit of bandwidth of volume copy. 0 ⇒ unlimited

volume_dd_blocksize = 1M

string value

The default block size used when copying/clearing volumes

volume_manager = cinder.volume.manager.VolumeManager

string value

Full class name for the Manager for volume

volume_name_template = volume-%s

string value

Template string to be used to generate volume names

volume_number_multiplier = -1.0

floating point value

Multiplier used for weighing volume number. Negative numbers mean to spread vs stack.

volume_service_inithost_offload = False

boolean value

Offload pending volume delete during volume service startup

volume_transfer_key_length = 16

integer value

The number of characters in the autogenerated auth key.

volume_transfer_salt_length = 8

integer value

The number of characters in the salt.

volume_usage_audit_period = month

string value

Time period for which to generate volume usages. The options are hour, day, month, or year.

volumes_dir = $state_path/volumes

string value

Volume configuration file storage directory

vrts_lun_sparse = True

boolean value

Create sparse Lun.

vrts_target_config = /etc/cinder/vrts_target.xml

string value

VA config file.

watch-log-file = False

boolean value

Uses logging handler designed to watch file system. When log file is moved or removed this handler will open a new log file with specified path instantaneously. It makes sense only if log_file option is specified and Linux platform is used. This option is ignored if log_config_append is set.

wsgi_default_pool_size = 100

integer value

Size of the pool of greenthreads used by wsgi

wsgi_keep_alive = True

boolean value

If False, closes the client socket connection explicitly.

wsgi_log_format = %(client_ip)s "%(request_line)s" status: %(status_code)s len: %(body_length)s time: %(wall_seconds).7f

string value

A python format string that is used as the template to generate log lines. The following values can beformatted into it: client_ip, date_time, request_line, status_code, body_length, wall_seconds.

wsgi_server_debug = False

boolean value

True if the server should send exception tracebacks to the clients on 500 errors. If False, the server will respond with empty bodies.

zoning_mode = None

string value

FC Zoning mode configured, only fabric is supported now.

backend_host = None

string value

Backend override of host value.

api_port = 443

port value

Port to use to access the Tatlin API

auth_method = CHAP

string value

Authentication method for iSCSI (CHAP)

auto_calc_max_oversubscription_ratio = False

boolean value

K2 driver will calculate max_oversubscription_ratio on setting this option as True.

backend_availability_zone = None

string value

Availability zone for this volume backend. If not set, the storage_availability_zone option value is used as the default for all backends.

backend_native_threads_pool_size = 20

integer value

Size of the native threads pool for the backend. Increase for backends that heavily rely on this, like the RBD driver.

chap = disabled

string value

CHAP authentication mode, effective only for iscsi (disabled|enabled)

`chap_password = `

string value

Password for specified CHAP account name.

`chap_username = `

string value

CHAP user name.

check_max_pool_luns_threshold = False

boolean value

DEPRECATED: Report free_capacity_gb as 0 when the limit to maximum number of pool LUNs is reached. By default, the value is False.

chiscsi_conf = /etc/chelsio-iscsi/chiscsi.conf

string value

Chiscsi (CXT) global defaults configuration file

cinder_eternus_config_file = /etc/cinder/cinder_fujitsu_eternus_dx.xml

string value

Config file for cinder eternus_dx volume driver.

cinder_huawei_conf_file = /etc/cinder/cinder_huawei_conf.xml

string value

The configuration file for the Cinder Huawei driver.

connection_type = iscsi

string value

Connection type to the IBM Storage Array

cycle_period_seconds = 300

integer value

This defines an optional cycle period that applies to Global Mirror relationships with a cycling mode of multi. A Global Mirror relationship using the multi cycling_mode performs a complete cycle at most once each period. The default is 300 seconds, and the valid seconds are 60-86400.

datacore_api_timeout = 300

integer value

Seconds to wait for a response from a DataCore API call.

datacore_disk_failed_delay = 300

integer value

Seconds to wait for DataCore virtual disk to come out of the "Failed" state.

datacore_disk_pools = []

list value

List of DataCore disk pools that can be used by volume driver.

datacore_disk_type = single

string value

DataCore virtual disk type (single/mirrored). Mirrored virtual disks require two storage servers in the server group.

datacore_fc_unallowed_targets = []

list value

List of FC targets that cannot be used to attach volume. To prevent the DataCore FibreChannel volume driver from using some front-end targets in volume attachment, specify this option and list the iqn and target machine for each target as the value, such as <wwpns:target name>, <wwpns:target name>, <wwpns:target name>.

datacore_iscsi_chap_storage = $state_path/.datacore_chap

string value

Fully qualified file name where dynamically generated iSCSI CHAP secrets are stored. This must be changed to a unique per-backend value if deploying multiple DataCore backends on the same host.

datacore_iscsi_unallowed_targets = []

list value

List of iSCSI targets that cannot be used to attach volume. To prevent the DataCore iSCSI volume driver from using some front-end targets in volume attachment, specify this option and list the iqn and target machine for each target as the value, such as <iqn:target name>, <iqn:target name>, <iqn:target name>.

datacore_storage_profile = None

string value

DataCore virtual disk storage profile.

default_timeout = 31536000

integer value

Default timeout for CLI operations in minutes. For example, LUN migration is a typical long running operation, which depends on the LUN size and the load of the array. An upper bound in the specific deployment can be set to avoid unnecessary long wait. By default, it is 365 days long.

deferred_deletion_delay = 0

integer value

Time delay in seconds before a volume is eligible for permanent removal after being tagged for deferred deletion.

deferred_deletion_purge_interval = 60

integer value

Number of seconds between runs of the periodic task to purge volumes tagged for deletion.

dell_api_async_rest_timeout = 15

integer value

Dell SC API async call default timeout in seconds.

dell_api_sync_rest_timeout = 30

integer value

Dell SC API sync call default timeout in seconds.

dell_sc_api_port = 3033

port value

Dell API port

dell_sc_server_folder = openstack

string value

Name of the server folder to use on the Storage Center

dell_sc_ssn = 64702

integer value

Storage Center System Serial Number

dell_sc_verify_cert = False

boolean value

Enable HTTPS SC certificate verification

dell_sc_volume_folder = openstack

string value

Name of the volume folder to use on the Storage Center

dell_server_os = Red Hat Linux 6.x

string value

Server OS type to use when creating a new server on the Storage Center.

destroy_empty_storage_group = False

boolean value

To destroy storage group when the last LUN is removed from it. By default, the value is False.

disable_discovery = False

boolean value

Disabling iSCSI discovery (sendtargets) for multipath connections on K2 driver.

`dpl_pool = `

string value

DPL pool uuid in which DPL volumes are stored.

dpl_port = 8357

port value

DPL port number.

driver_client_cert = None

string value

The path to the client certificate for verification, if the driver supports it.

driver_client_cert_key = None

string value

The path to the client certificate key for verification, if the driver supports it.

driver_data_namespace = None

string value

Namespace for driver private data values to be saved in.

driver_ssl_cert_path = None

string value

Can be used to specify a non default path to a CA_BUNDLE file or directory with certificates of trusted CAs, which will be used to validate the backend

driver_ssl_cert_verify = False

boolean value

If set to True the http client will validate the SSL certificate of the backend endpoint.

driver_use_ssl = False

boolean value

Tell driver to use SSL for connection to backend storage if the driver supports it.

`ds8k_devadd_unitadd_mapping = `

string value

Mapping between IODevice address and unit address.

ds8k_host_type = auto

string value

Set to zLinux if your OpenStack version is prior to Liberty and you’re connecting to zLinux systems. Otherwise set to auto. Valid values for this parameter are: auto, AMDLinuxRHEL, AMDLinuxSuse, AppleOSX, Fujitsu, Hp, HpTru64, HpVms, LinuxDT, LinuxRF, LinuxRHEL, LinuxSuse, Novell, SGI, SVC, SanFsAIX, SanFsLinux, Sun, VMWare, Win2000, Win2003, Win2008, Win2012, iLinux, nSeries, pLinux, pSeries, pSeriesPowerswap, zLinux, iSeries.

ds8k_ssid_prefix = FF

string value

Set the first two digits of SSID.

enable_deferred_deletion = False

boolean value

Enable deferred deletion. Upon deletion, volumes are tagged for deletion but will only be removed asynchronously at a later time.

enable_unsupported_driver = False

boolean value

Set this to True when you want to allow an unsupported driver to start. Drivers that haven’t maintained a working CI system and testing are marked as unsupported until CI is working again. This also marks a driver as deprecated and may be removed in the next release.

enforce_multipath_for_image_xfer = False

boolean value

If this is set to True, attachment of volumes for image transfer will be aborted when multipathd is not running. Otherwise, it will fallback to single path. This parameter needs to be configured for each backend section or in [backend_defaults] section as a common configuration for all backends.

excluded_domain_ip = None

IP address value

DEPRECATED: Fault Domain IP to be excluded from iSCSI returns. Deprecated since: Stein

*Reason:*Replaced by excluded_domain_ips option

excluded_domain_ips = []

list value

Comma separated Fault Domain IPs to be excluded from iSCSI returns.

expiry_thres_minutes = 720

integer value

This option specifies the threshold for last access time for images in the NFS image cache. When a cache cleaning cycle begins, images in the cache that have not been accessed in the last M minutes, where M is the value of this parameter, will be deleted from the cache to create free space on the NFS share.

`export_ports = `

string value

Ports to export Tatlin resource through

extra_capabilities = {}

string value

User defined capabilities, a JSON formatted string specifying key/value pairs. The key/value pairs can be used by the CapabilitiesFilter to select between backends when requests specify volume types. For example, specifying a service level or the geographical location of a backend, then creating a volume type to allow the user to select by these different properties.

filter_function = None

string value

String representation for an equation that will be used to filter hosts. Only used when the driver filter is set to be used by the Cinder scheduler.

flashsystem_connection_protocol = FC

string value

Connection protocol should be FC. (Default is FC.)

flashsystem_iscsi_portid = 0

integer value

Default iSCSI Port ID of FlashSystem. (Default port is 0.)

flashsystem_multihostmap_enabled = True

boolean value

Allows vdisk to multi host mapping. (Default is True)

force_delete_lun_in_storagegroup = True

boolean value

Delete a LUN even if it is in Storage Groups.

goodness_function = None

string value

String representation for an equation that will be used to determine the goodness of a host. Only used when using the goodness weigher is set to be used by the Cinder scheduler.

gpfs_hosts = []

list value

Comma-separated list of IP address or hostnames of GPFS nodes.

gpfs_hosts_key_file = $state_path/ssh_known_hosts

string value

File containing SSH host keys for the gpfs nodes with which driver needs to communicate. Default=$state_path/ssh_known_hosts

gpfs_images_dir = None

string value

Specifies the path of the Image service repository in GPFS. Leave undefined if not storing images in GPFS.

gpfs_images_share_mode = None

string value

Specifies the type of image copy to be used. Set this when the Image service repository also uses GPFS so that image files can be transferred efficiently from the Image service to the Block Storage service. There are two valid values: "copy" specifies that a full copy of the image is made; "copy_on_write" specifies that copy-on-write optimization strategy is used and unmodified blocks of the image file are shared efficiently.

gpfs_max_clone_depth = 0

integer value

Specifies an upper limit on the number of indirections required to reach a specific block due to snapshots or clones. A lengthy chain of copy-on-write snapshots or clones can have a negative impact on performance, but improves space utilization. 0 indicates unlimited clone depth.

gpfs_mount_point_base = None

string value

Specifies the path of the GPFS directory where Block Storage volume and snapshot files are stored.

`gpfs_private_key = `

string value

Filename of private key to use for SSH authentication.

gpfs_sparse_volumes = True

boolean value

Specifies that volumes are created as sparse files which initially consume no space. If set to False, the volume is created as a fully allocated file, in which case, creation may take a significantly longer time.

gpfs_ssh_port = 22

port value

SSH port to use.

gpfs_storage_pool = system

string value

Specifies the storage pool that volumes are assigned to. By default, the system storage pool is used.

gpfs_strict_host_key_policy = False

boolean value

Option to enable strict gpfs host key checking while connecting to gpfs nodes. Default=False

gpfs_user_login = root

string value

Username for GPFS nodes.

`gpfs_user_password = `

string value

Password for GPFS node user.

hitachi_async_copy_check_interval = 10

integer value

Interval in seconds to check asynchronous copying status during a copy pair deletion or data restoration.

hitachi_compute_target_ports = []

list value

IDs of the storage ports used to attach volumes to compute nodes. To specify multiple ports, connect them by commas (e.g. CL1-A,CL2-A).

hitachi_copy_check_interval = 3

integer value

Interval in seconds to check copying status during a volume copy.

hitachi_copy_speed = 3

integer value

Copy speed of storage system. 1 or 2 indicates low speed, 3 indicates middle speed, and a value between 4 and 15 indicates high speed.

hitachi_discard_zero_page = True

boolean value

Enable or disable zero page reclamation in a DP-VOL.

hitachi_exec_retry_interval = 5

integer value

Retry interval in seconds for REST API execution.

hitachi_extend_timeout = 600

integer value

Maximum wait time in seconds for a volume extention to complete.

hitachi_group_create = False

boolean value

If True, the driver will create host groups or iSCSI targets on storage ports as needed.

hitachi_group_delete = False

boolean value

If True, the driver will delete host groups or iSCSI targets on storage ports as needed.

hitachi_group_name_format = None

string value

Format of host groups, iSCSI targets, and server objects.

hitachi_host_mode_options = []

list value

Host mode option for host group or iSCSI target.

hitachi_ldev_range = None

string value

Range of the LDEV numbers in the format of xxxx-yyyy that can be used by the driver. Values can be in decimal format (e.g. 1000) or in colon-separated hexadecimal format (e.g. 00:03:E8).

hitachi_lock_timeout = 7200

integer value

Maximum wait time in seconds for storage to be logined or unlocked.

hitachi_lun_retry_interval = 1

integer value

Retry interval in seconds for REST API adding a LUN mapping to the server.

hitachi_lun_timeout = 50

integer value

Maximum wait time in seconds for adding a LUN mapping to the server.

hitachi_pair_target_number = 0

integer value

Pair target name of the host group or iSCSI target

hitachi_pools = []

list value

Pool number[s] or pool name[s] of the DP pool.

hitachi_port_scheduler = False

boolean value

Enable port scheduling of WWNs to the configured ports so that WWNs are registered to ports in a round-robin fashion.

hitachi_rest_another_ldev_mapped_retry_timeout = 600

integer value

Retry time in seconds when new LUN allocation request fails.

hitachi_rest_connect_timeout = 30

integer value

Maximum wait time in seconds for connecting to REST API session.

hitachi_rest_disable_io_wait = True

boolean value

This option will allow detaching volume immediately. If set False, storage may take few minutes to detach volume after I/O.

hitachi_rest_get_api_response_timeout = 1800

integer value

Maximum wait time in seconds for a response against sync methods, for example GET

hitachi_rest_job_api_response_timeout = 1800

integer value

Maximum wait time in seconds for a response against async methods from REST API, for example PUT and DELETE.

hitachi_rest_keep_session_loop_interval = 180

integer value

Loop interval in seconds for keeping REST API session.

hitachi_rest_pair_target_ports = []

list value

Target port names for pair of the host group or iSCSI target

hitachi_rest_server_busy_timeout = 7200

integer value

Maximum wait time in seconds when REST API returns busy.

hitachi_rest_tcp_keepalive = True

boolean value

Enables or disables use of REST API tcp keepalive

hitachi_rest_tcp_keepcnt = 4

integer value

Maximum number of transmissions for TCP keepalive packet.

hitachi_rest_tcp_keepidle = 60

integer value

Wait time in seconds for sending a first TCP keepalive packet.

hitachi_rest_tcp_keepintvl = 15

integer value

Interval of transmissions in seconds for TCP keepalive packet.

hitachi_rest_timeout = 30

integer value

Maximum wait time in seconds for each REST API request.

hitachi_restore_timeout = 86400

integer value

Maximum wait time in seconds for the restore operation to complete.

hitachi_snap_pool = None

string value

Pool number or pool name of the snapshot pool.

hitachi_state_transition_timeout = 900

integer value

Maximum wait time in seconds for a volume transition to complete.

hitachi_storage_id = None

string value

Product number of the storage system.

hitachi_target_ports = []

list value

IDs of the storage ports used to attach volumes to the controller node. To specify multiple ports, connect them by commas (e.g. CL1-A,CL2-A).

hitachi_zoning_request = False

boolean value

If True, the driver will configure FC zoning between the server and the storage system provided that FC zoning manager is enabled.

`host_group = `

string value

Tatlin host group name

`hpe3par_api_url = `

string value

WSAPI Server URL. This setting applies to: 3PAR, Primera and Alletra 9k Example 1: for 3PAR, URL is: https://<3par ip>:8080/api/v1 Example 2: for Primera/Alletra 9k, URL is: https://<primera ip>:443/api/v1

hpe3par_cpg = ['OpenStack']

list value

List of the 3PAR/Primera/Alletra 9k CPG(s) to use for volume creation

`hpe3par_cpg_snap = `

string value

The 3PAR/Primera/Alletra 9k CPG to use for snapshots of volumes. If empty the userCPG will be used.

hpe3par_debug = False

boolean value

Enable HTTP debugging to 3PAR/Primera/Alletra 9k

hpe3par_iscsi_chap_enabled = False

boolean value

Enable CHAP authentication for iSCSI connections.

hpe3par_iscsi_ips = []

list value

List of target iSCSI addresses to use.

`hpe3par_password = `

string value

3PAR/Primera/Alletra 9k password for the user specified in hpe3par_username

`hpe3par_snapshot_expiration = `

string value

The time in hours when a snapshot expires and is deleted. This must be larger than expiration

`hpe3par_snapshot_retention = `

string value

The time in hours to retain a snapshot. You can’t delete it before this expires.

`hpe3par_target_nsp = `

string value

The nsp of 3PAR/Primera/Alletra 9k backend to be used when: (1) multipath is not enabled in cinder.conf. (2) Fiber Channel Zone Manager is not used. (3) the backend is prezoned with this specific nsp only. For example if nsp is 2 1 2, the format of the option’s value is 2:1:2

`hpe3par_username = `

string value

3PAR/Primera/Alletra 9k username with the edit role

hpexp_async_copy_check_interval = 10

integer value

Interval in seconds to check copy asynchronously

hpexp_compute_target_ports = []

list value

IDs of the storage ports used to attach volumes to compute nodes. To specify multiple ports, connect them by commas (e.g. CL1-A,CL2-A).

hpexp_copy_check_interval = 3

integer value

Interval in seconds to check copy

hpexp_copy_speed = 3

integer value

Copy speed of storage system. 1 or 2 indicates low speed, 3 indicates middle speed, and a value between 4 and 15 indicates high speed.

hpexp_discard_zero_page = True

boolean value

Enable or disable zero page reclamation in a THP V-VOL.

hpexp_exec_retry_interval = 5

integer value

Retry interval in seconds for REST API execution.

hpexp_extend_timeout = 600

integer value

Maximum wait time in seconds for a volume extention to complete.

hpexp_group_create = False

boolean value

If True, the driver will create host groups or iSCSI targets on storage ports as needed.

hpexp_group_delete = False

boolean value

If True, the driver will delete host groups or iSCSI targets on storage ports as needed.

hpexp_host_mode_options = []

list value

Host mode option for host group or iSCSI target.

hpexp_ldev_range = None

string value

Range of the LDEV numbers in the format of xxxx-yyyy that can be used by the driver. Values can be in decimal format (e.g. 1000) or in colon-separated hexadecimal format (e.g. 00:03:E8).

hpexp_lock_timeout = 7200

integer value

Maximum wait time in seconds for storage to be unlocked.

hpexp_lun_retry_interval = 1

integer value

Retry interval in seconds for REST API adding a LUN.

hpexp_lun_timeout = 50

integer value

Maximum wait time in seconds for adding a LUN to complete.

hpexp_pools = []

list value

Pool number[s] or pool name[s] of the THP pool.

hpexp_rest_another_ldev_mapped_retry_timeout = 600

integer value

Retry time in seconds when new LUN allocation request fails.

hpexp_rest_connect_timeout = 30

integer value

Maximum wait time in seconds for REST API connection to complete.

hpexp_rest_disable_io_wait = True

boolean value

It may take some time to detach volume after I/O. This option will allow detaching volume to complete immediately.

hpexp_rest_get_api_response_timeout = 1800

integer value

Maximum wait time in seconds for a response against GET method of REST API.

hpexp_rest_job_api_response_timeout = 1800

integer value

Maximum wait time in seconds for a response from REST API.

hpexp_rest_keep_session_loop_interval = 180

integer value

Loop interval in seconds for keeping REST API session.

hpexp_rest_server_busy_timeout = 7200

integer value

Maximum wait time in seconds when REST API returns busy.

hpexp_rest_tcp_keepalive = True

boolean value

Enables or disables use of REST API tcp keepalive

hpexp_rest_tcp_keepcnt = 4

integer value

Maximum number of transmissions for TCP keepalive packet.

hpexp_rest_tcp_keepidle = 60

integer value

Wait time in seconds for sending a first TCP keepalive packet.

hpexp_rest_tcp_keepintvl = 15

integer value

Interval of transmissions in seconds for TCP keepalive packet.

hpexp_rest_timeout = 30

integer value

Maximum wait time in seconds for REST API execution to complete.

hpexp_restore_timeout = 86400

integer value

Maximum wait time in seconds for the restore operation to complete.

hpexp_snap_pool = None

string value

Pool number or pool name of the snapshot pool.

hpexp_state_transition_timeout = 900

integer value

Maximum wait time in seconds for a volume transition to complete.

hpexp_storage_id = None

string value

Product number of the storage system.

hpexp_target_ports = []

list value

IDs of the storage ports used to attach volumes to the controller node. To specify multiple ports, connect them by commas (e.g. CL1-A,CL2-A).

hpexp_zoning_request = False

boolean value

If True, the driver will configure FC zoning between the server and the storage system provided that FC zoning manager is enabled.

hpmsa_api_protocol = https

string value

HPMSA API interface protocol.

hpmsa_iscsi_ips = []

list value

List of comma-separated target iSCSI IP addresses.

hpmsa_pool_name = A

string value

Pool or Vdisk name to use for volume creation.

hpmsa_pool_type = virtual

string value

linear (for Vdisk) or virtual (for Pool).

hpmsa_verify_certificate = False

boolean value

Whether to verify HPMSA array SSL certificate.

hpmsa_verify_certificate_path = None

string value

HPMSA array SSL certificate path.

hypermetro_devices = None

string value

The remote device hypermetro will use.

iet_conf = /etc/iet/ietd.conf

string value

DEPRECATED: IET configuration file

ignore_pool_full_threshold = False

boolean value

Force LUN creation even if the full threshold of pool is reached. By default, the value is False.

image_upload_use_cinder_backend = False

boolean value

If set to True, upload-to-image in raw format will create a cloned volume and register its location to the image service, instead of uploading the volume content. The cinder backend and locations support must be enabled in the image service.

image_upload_use_internal_tenant = False

boolean value

If set to True, the image volume created by upload-to-image will be placed in the internal tenant. Otherwise, the image volume is created in the current context’s tenant.

image_volume_cache_enabled = False

boolean value

Enable the image volume cache for this backend.

image_volume_cache_max_count = 0

integer value

Max number of entries allowed in the image volume cache. 0 ⇒ unlimited.

image_volume_cache_max_size_gb = 0

integer value

Max size of the image volume cache for this backend in GB. 0 ⇒ unlimited.

included_domain_ips = []

list value

Comma separated Fault Domain IPs to be included from iSCSI returns.

infinidat_iscsi_netspaces = []

list value

List of names of network spaces to use for iSCSI connectivity

infinidat_pool_name = None

string value

Name of the pool from which volumes are allocated

infinidat_storage_protocol = fc

string value

Protocol for transferring data between host and storage back-end.

infinidat_use_compression = False

boolean value

Specifies whether to turn on compression for newly created volumes.

initiator_auto_deregistration = False

boolean value

Automatically deregister initiators after the related storage group is destroyed. By default, the value is False.

initiator_auto_registration = False

boolean value

Automatically register initiators. By default, the value is False.

initiator_check = False

boolean value

Use this value to enable the initiator_check.

interval = 3

integer value

Use this value to specify length of the interval in seconds.

io_port_list = None

list value

Comma separated iSCSI or FC ports to be used in Nova or Cinder.

iscsi_initiators = None

string value

Mapping between hostname and its iSCSI initiator IP addresses.

iscsi_iotype = fileio

string value

Sets the behavior of the iSCSI target to either perform blockio or fileio optionally, auto can be set and Cinder will autodetect type of backing device

`iscsi_target_flags = `

string value

Sets the target-specific flags for the iSCSI target. Only used for tgtadm to specify backing device flags using bsoflags option. The specified string is passed as is to the underlying tool.

iscsi_write_cache = on

string value

Sets the behavior of the iSCSI target to either perform write-back(on) or write-through(off). This parameter is valid if target_helper is set to tgtadm.

iser_helper = tgtadm

string value

The name of the iSER target user-land tool to use

iser_ip_address = $my_ip

string value

The IP address that the iSER daemon is listening on

iser_port = 3260

port value

The port that the iSER daemon is listening on

iser_target_prefix = iqn.2010-10.org.openstack:

string value

Prefix for iSER volumes

lba_format = 512e

string value

LBA Format for new volume

lenovo_api_protocol = https

string value

Lenovo api interface protocol.

lenovo_iscsi_ips = []

list value

List of comma-separated target iSCSI IP addresses.

lenovo_pool_name = A

string value

Pool or Vdisk name to use for volume creation.

lenovo_pool_type = virtual

string value

linear (for VDisk) or virtual (for Pool).

lenovo_verify_certificate = False

boolean value

Whether to verify Lenovo array SSL certificate.

lenovo_verify_certificate_path = None

string value

Lenovo array SSL certificate path.

lightos_api_address = None

list value

The IP addresses of the LightOS API servers separated by commas.

lightos_api_port = 443

port value

The TCP/IP port at which the LightOS API endpoints listen. Port 443 is used for HTTPS and other values are used for HTTP.

lightos_api_service_timeout = 30

integer value

The default amount of time (in seconds) to wait for an API endpoint response.

lightos_default_compression_enabled = False

boolean value

Set to True to create new volumes compressed assuming no other compression setting is specified via the volumes type.

lightos_default_num_replicas = 3

integer value

The default number of replicas to create for each volume.

lightos_jwt = None

string value

JWT to be used for volume and snapshot operations with the LightOS cluster. Do not set this parameter if the cluster is installed with multi-tenancy disabled.

linstor_autoplace_count = 0

integer value

Autoplace replication count on volume deployment. 0 = Full cluster replication without autoplace, 1 = Single node deployment without replication, 2 or greater = Replicated deployment with autoplace.

linstor_controller_diskless = True

boolean value

True means Cinder node is a diskless LINSTOR node.

linstor_default_blocksize = 4096

integer value

Default Block size for Image restoration. When using iSCSI transport, this option specifies the block size.

linstor_default_storage_pool_name = DfltStorPool

string value

Default Storage Pool name for LINSTOR.

linstor_default_uri = linstor://localhost

string value

Default storage URI for LINSTOR.

linstor_default_volume_group_name = drbd-vg

string value

Default Volume Group name for LINSTOR. Not Cinder Volume.

linstor_volume_downsize_factor = 4096

floating point value

Default volume downscale size in KiB = 4 MiB.

load_balance = False

boolean value

Enable/disable load balancing for a PowerMax backend.

load_balance_real_time = False

boolean value

Enable/disable real-time performance metrics for Port level load balancing for a PowerMax backend.

load_data_format = Avg

string value

Performance data format, not applicable for real-time metrics. Available options are "avg" and "max".

load_look_back = 60

integer value

How far in minutes to look back for diagnostic performance metrics in load calculation, minimum of 0 maximum of 1440 (24 hours).

load_look_back_real_time = 1

integer value

How far in minutes to look back for real-time performance metrics in load calculation, minimum of 1 maximum of 10.

`lss_range_for_cg = `

string value

Reserve LSSs for consistency group.

lvm_conf_file = /etc/cinder/lvm.conf

string value

LVM conf file to use for the LVM driver in Cinder; this setting is ignored if the specified file does not exist (You can also specify None to not use a conf file even if one exists).

lvm_mirrors = 0

integer value

If >0, create LVs with multiple mirrors. Note that this requires lvm_mirrors + 2 PVs with available space

lvm_share_target = False

boolean value

Whether to share the same target for all LUNs or not (currently only supported by nvmet.

lvm_suppress_fd_warnings = False

boolean value

Suppress leaked file descriptor warnings in LVM commands.

lvm_type = auto

string value

Type of LVM volumes to deploy; (default, thin, or auto). Auto defaults to thin if thin is supported.

macrosan_client = None

list value

Macrosan iscsi_clients list. You can configure multiple clients. You can configure it in this format: (host; client_name; sp1_iscsi_port; sp2_iscsi_port), (host; client_name; sp1_iscsi_port; sp2_iscsi_port) Important warning, Client_name has the following requirements: [a-zA-Z0-9.-_:], the maximum number of characters is 31 E.g: (controller1; device1; eth-1:0; eth-2:0), (controller2; device2; eth-1:0/eth-1:1; eth-2:0/eth-2:1),

macrosan_client_default = None

string value

This is the default connection ports' name for iscsi. This default configuration is used when no host related information is obtained.E.g: eth-1:0/eth-1:1; eth-2:0/eth-2:1

macrosan_fc_keep_mapped_ports = True

boolean value

In the case of an FC connection, the configuration item associated with the port is maintained.

macrosan_fc_use_sp_port_nr = 1

integer value

The use_sp_port_nr parameter is the number of online FC ports used by the single-ended memory when the FC connection is established in the switch non-all-pass mode. The maximum is 4

macrosan_force_unmap_itl = True

boolean value

Force disconnect while deleting volume

macrosan_log_timing = True

boolean value

Whether enable log timing

macrosan_pool = None

string value

Pool to use for volume creation

macrosan_replication_destination_ports = None

list value

Slave device

macrosan_replication_ipaddrs = None

list value

MacroSAN replication devices' ip addresses

macrosan_replication_password = None

string value

MacroSAN replication devices' password

macrosan_replication_username = None

string value

MacroSAN replication devices' username

macrosan_sdas_ipaddrs = None

list value

MacroSAN sdas devices' ip addresses

macrosan_sdas_password = None

string value

MacroSAN sdas devices' password

macrosan_sdas_username = None

string value

MacroSAN sdas devices' username

macrosan_snapshot_resource_ratio = 1.0

floating point value

Set snapshot’s resource ratio

macrosan_thin_lun_extent_size = 8

integer value

Set the thin lun’s extent size

macrosan_thin_lun_high_watermark = 20

integer value

Set the thin lun’s high watermark

macrosan_thin_lun_low_watermark = 5

integer value

Set the thin lun’s low watermark

`management_ips = `

string value

List of Management IP addresses (separated by commas)

max_luns_per_storage_group = 255

integer value

Default max number of LUNs in a storage group. By default, the value is 255.

max_over_subscription_ratio = 20.0

string value

Representation of the over subscription ratio when thin provisioning is enabled. Default ratio is 20.0, meaning provisioned capacity can be 20 times of the total physical capacity. If the ratio is 10.5, it means provisioned capacity can be 10.5 times of the total physical capacity. A ratio of 1.0 means provisioned capacity cannot exceed the total physical capacity. If ratio is auto, Cinder will automatically calculate the ratio based on the provisioned capacity and the used space. If not set to auto, the ratio has to be a minimum of 1.0.

max_resource_count = 500

integer value

Max resource count allowed for Tatlin

metro_domain_name = None

string value

The remote metro device domain name.

metro_san_address = None

string value

The remote metro device request url.

metro_san_password = None

string value

The remote metro device san password.

metro_san_user = None

string value

The remote metro device san user.

metro_storage_pools = None

string value

The remote metro device pool names.

`nas_host = `

string value

IP address or Hostname of NAS system.

nas_login = admin

string value

User name to connect to NAS system.

nas_mount_options = None

string value

Options used to mount the storage backend file system where Cinder volumes are stored.

`nas_password = `

string value

Password to connect to NAS system.

`nas_private_key = `

string value

Filename of private key to use for SSH authentication.

nas_secure_file_operations = auto

string value

Allow network-attached storage systems to operate in a secure environment where root level access is not permitted. If set to False, access is as the root user and insecure. If set to True, access is not as root. If set to auto, a check is done to determine if this is a new installation: True is used if so, otherwise False. Default is auto.

nas_secure_file_permissions = auto

string value

Set more secure file permissions on network-attached storage volume files to restrict broad other/world access. If set to False, volumes are created with open permissions. If set to True, volumes are created with permissions for the cinder user and group (660). If set to auto, a check is done to determine if this is a new installation: True is used if so, otherwise False. Default is auto.

`nas_share_path = `

string value

Path to the share to use for storing Cinder volumes. For example: "/srv/export1" for an NFS server export available at 10.0.5.10:/srv/export1 .

nas_ssh_port = 22

port value

SSH port to use to connect to NAS system.

nas_volume_prov_type = thin

string value

Provisioning type that will be used when creating volumes.

naviseccli_path = None

string value

Naviseccli Path.

nec_v_async_copy_check_interval = 10

integer value

Interval in seconds to check asynchronous copying status during a copy pair deletion or data restoration.

nec_v_compute_target_ports = []

list value

IDs of the storage ports used to attach volumes to compute nodes. To specify multiple ports, connect them by commas (e.g. CL1-A,CL2-A).

nec_v_copy_check_interval = 3

integer value

Interval in seconds to check copying status during a volume copy.

nec_v_copy_speed = 3

integer value

Copy speed of storage system. 1 or 2 indicates low speed, 3 indicates middle speed, and a value between 4 and 15 indicates high speed.

nec_v_discard_zero_page = True

boolean value

Enable or disable zero page reclamation in a DP-VOL.

nec_v_exec_retry_interval = 5

integer value

Retry interval in seconds for REST API execution.

nec_v_extend_timeout = 600

integer value

Maximum wait time in seconds for a volume extention to complete.

nec_v_group_create = False

boolean value

If True, the driver will create host groups or iSCSI targets on storage ports as needed.

nec_v_group_delete = False

boolean value

If True, the driver will delete host groups or iSCSI targets on storage ports as needed.

nec_v_host_mode_options = []

list value

Host mode option for host group or iSCSI target

nec_v_ldev_range = None

string value

Range of the LDEV numbers in the format of xxxx-yyyy that can be used by the driver. Values can be in decimal format (e.g. 1000) or in colon-separated hexadecimal format (e.g. 00:03:E8).

nec_v_lock_timeout = 7200

integer value

Maximum wait time in seconds for storage to be unlocked.

nec_v_lun_retry_interval = 1

integer value

Retry interval in seconds for REST API adding a LUN.

nec_v_lun_timeout = 50

integer value

Maximum wait time in seconds for adding a LUN to complete.

nec_v_pools = []

list value

Pool number[s] or pool name[s] of the DP pool.

nec_v_rest_another_ldev_mapped_retry_timeout = 600

integer value

Retry time in seconds when new LUN allocation request fails.

nec_v_rest_connect_timeout = 30

integer value

Maximum wait time in seconds for REST API connection to complete.

nec_v_rest_disable_io_wait = True

boolean value

It may take some time to detach volume after I/O. This option will allow detaching volume to complete immediately.

nec_v_rest_get_api_response_timeout = 1800

integer value

Maximum wait time in seconds for a response against GET method of REST API.

nec_v_rest_job_api_response_timeout = 1800

integer value

Maximum wait time in seconds for a response from REST API.

nec_v_rest_keep_session_loop_interval = 180

integer value

Loop interval in seconds for keeping REST API session.

nec_v_rest_server_busy_timeout = 7200

integer value

Maximum wait time in seconds when REST API returns busy.

nec_v_rest_tcp_keepalive = True

boolean value

Enables or disables use of REST API tcp keepalive

nec_v_rest_tcp_keepcnt = 4

integer value

Maximum number of transmissions for TCP keepalive packet.

nec_v_rest_tcp_keepidle = 60

integer value

Wait time in seconds for sending a first TCP keepalive packet.

nec_v_rest_tcp_keepintvl = 15

integer value

Interval of transmissions in seconds for TCP keepalive packet.

nec_v_rest_timeout = 30

integer value

Maximum wait time in seconds for REST API execution to complete.

nec_v_restore_timeout = 86400

integer value

Maximum wait time in seconds for the restore operation to complete.

nec_v_snap_pool = None

string value

Pool number or pool name of the snapshot pool.

nec_v_state_transition_timeout = 900

integer value

Maximum wait time in seconds for a volume transition to complete.

nec_v_storage_id = None

string value

Product number of the storage system.

nec_v_target_ports = []

list value

IDs of the storage ports used to attach volumes to the controller node. To specify multiple ports, connect them by commas (e.g. CL1-A,CL2-A).

nec_v_zoning_request = False

boolean value

If True, the driver will configure FC zoning between the server and the storage system provided that FC zoning manager is enabled.

netapp_api_trace_pattern = (.*)

string value

A regular expression to limit the API tracing. This option is honored only if enabling api tracing with the trace_flags option. By default, all APIs will be traced.

netapp_async_rest_timeout = 60

integer value

The maximum time in seconds to wait for completing a REST asynchronous operation.

netapp_copyoffload_tool_path = None

string value

This option specifies the path of the NetApp copy offload tool binary. Ensure that the binary has execute permissions set which allow the effective user of the cinder-volume process to execute the file.

netapp_driver_reports_provisioned_capacity = False

boolean value

Set to True for Cinder to query the storage system in order to calculate volumes provisioned size, otherwise provisioned_capacity_gb will corresponds to the value of allocated_capacity_gb (calculated by Cinder Core code). Enabling this feature increases the number of API calls to the storage and requires more processing on host, which may impact volume report overall performance.

netapp_host_type = None

string value

This option defines the type of operating system for all initiators that can access a LUN. This information is used when mapping LUNs to individual hosts or groups of hosts.

netapp_login = None

string value

Administrative user account name used to access the storage system or proxy server.

netapp_lun_ostype = None

string value

This option defines the type of operating system that will access a LUN exported from Data ONTAP; it is assigned to the LUN at the time it is created.

netapp_lun_space_reservation = enabled

string value

This option determines if storage space is reserved for LUN allocation. If enabled, LUNs are thick provisioned. If space reservation is disabled, storage space is allocated on demand.

netapp_migrate_volume_timeout = 3600

integer value

Sets time in seconds to wait for storage assisted volume migration to complete.

netapp_namespace_ostype = None

string value

This option defines the type of operating system that will access a namespace exported from Data ONTAP; it is assigned to the namespace at the time it is created.

netapp_nfs_image_cache_cleanup_interval = 600

integer value

Sets time in seconds between NFS image cache cleanup tasks.

netapp_password = None

string value

Password for the administrative user account specified in the netapp_login option.

netapp_pool_name_search_pattern = (.+)

string value

This option is used to restrict provisioning to the specified pools. Specify the value of this option to be a regular expression which will be applied to the names of objects from the storage backend which represent pools in Cinder. This option is only utilized when the storage protocol is configured to use iSCSI or FC.

netapp_replication_aggregate_map = None

dict value

Multi opt of dictionaries to represent the aggregate mapping between source and destination back ends when using whole back end replication. For every source aggregate associated with a cinder pool (NetApp FlexVol/FlexGroup), you would need to specify the destination aggregate on the replication target device. A replication target device is configured with the configuration option replication_device. Specify this option as many times as you have replication devices. Each entry takes the standard dict config form: netapp_replication_aggregate_map = backend_id:<name_of_replication_device_section>,src_aggr_name1:dest_aggr_name1,src_aggr_name2:dest_aggr_name2,…​

netapp_replication_volume_online_timeout = 360

integer value

Sets time in seconds to wait for a replication volume create to complete and go online.

netapp_server_hostname = None

string value

The hostname (or IP address) for the storage system or proxy server.

netapp_server_port = None

integer value

The TCP port to use for communication with the storage system or proxy server. If not specified, Data ONTAP drivers will use 80 for HTTP and 443 for HTTPS.

netapp_size_multiplier = 1.2

floating point value

The quantity to be multiplied by the requested volume size to ensure enough space is available on the virtual storage server (Vserver) to fulfill the volume creation request. Note: this option is deprecated and will be removed in favor of "reserved_percentage" in the Mitaka release.

netapp_snapmirror_quiesce_timeout = 3600

integer value

The maximum time in seconds to wait for existing SnapMirror transfers to complete before aborting during a failover.

netapp_ssl_cert_path = None

string value

The path to a CA_BUNDLE file or directory with certificates of trusted CA. If set to a directory, it must have been processed using the c_rehash utility supplied with OpenSSL. If not informed, it will use the Mozilla’s carefully curated collection of Root Certificates for validating the trustworthiness of SSL certificates. Only applies with new REST client.

netapp_storage_family = ontap_cluster

string value

The storage family type used on the storage system; the only valid value is ontap_cluster for using clustered Data ONTAP.

netapp_storage_protocol = None

string value

The storage protocol to be used on the data path with the storage system.

netapp_transport_type = http

string value

The transport protocol used when communicating with the storage system or proxy server.

netapp_use_legacy_client = True

boolean value

Select which ONTAP client to use for retrieving and modifying data on the storage. The legacy client relies on ZAPI calls. If set to False, the new REST client is used, which runs REST calls if supported, otherwise falls back to the equivalent ZAPI call.

netapp_vserver = None

string value

This option specifies the virtual storage server (Vserver) name on the storage cluster on which provisioning of block storage volumes should occur.

nexenta_blocksize = 4096

integer value

Block size for datasets

nexenta_chunksize = 32768

integer value

NexentaEdge iSCSI LUN object chunk size

`nexenta_client_address = `

string value

NexentaEdge iSCSI Gateway client address for non-VIP service

nexenta_dataset_compression = on

string value

Compression value for new ZFS folders.

nexenta_dataset_dedup = off

string value

Deduplication value for new ZFS folders.

`nexenta_dataset_description = `

string value

Human-readable description for the folder.

nexenta_encryption = False

boolean value

Defines whether NexentaEdge iSCSI LUN object has encryption enabled.

`nexenta_folder = `

string value

A folder where cinder created datasets will reside.

nexenta_group_snapshot_template = group-snapshot-%s

string value

Template string to generate group snapshot name

`nexenta_host = `

string value

IP address of NexentaStor Appliance

nexenta_host_group_prefix = cinder

string value

Prefix for iSCSI host groups on NexentaStor

nexenta_iops_limit = 0

integer value

NexentaEdge iSCSI LUN object IOPS limit

`nexenta_iscsi_service = `

string value

NexentaEdge iSCSI service name

nexenta_iscsi_target_host_group = all

string value

Group of hosts which are allowed to access volumes

`nexenta_iscsi_target_portal_groups = `

string value

NexentaStor target portal groups

nexenta_iscsi_target_portal_port = 3260

integer value

Nexenta appliance iSCSI target portal port

`nexenta_iscsi_target_portals = `

string value

Comma separated list of portals for NexentaStor5, in format of IP1:port1,IP2:port2. Port is optional, default=3260. Example: 10.10.10.1:3267,10.10.1.2

nexenta_lu_writebackcache_disabled = False

boolean value

Postponed write to backing store or not

`nexenta_lun_container = `

string value

NexentaEdge logical path of bucket for LUNs

nexenta_luns_per_target = 100

integer value

Amount of LUNs per iSCSI target

nexenta_mount_point_base = $state_path/mnt

string value

Base directory that contains NFS share mount points

nexenta_nbd_symlinks_dir = /dev/disk/by-path

string value

NexentaEdge logical path of directory to store symbolic links to NBDs

nexenta_nms_cache_volroot = True

boolean value

If set True cache NexentaStor appliance volroot option value.

nexenta_ns5_blocksize = 32

integer value

Block size for datasets

nexenta_origin_snapshot_template = origin-snapshot-%s

string value

Template string to generate origin name of clone

nexenta_password = nexenta

string value

Password to connect to NexentaStor management REST API server

nexenta_qcow2_volumes = False

boolean value

Create volumes as QCOW2 files rather than raw files

nexenta_replication_count = 3

integer value

NexentaEdge iSCSI LUN object replication count.

`nexenta_rest_address = `

string value

IP address of NexentaStor management REST API endpoint

nexenta_rest_backoff_factor = 0.5

floating point value

Specifies the backoff factor to apply between connection attempts to NexentaStor management REST API server

nexenta_rest_connect_timeout = 30

floating point value

Specifies the time limit (in seconds), within which the connection to NexentaStor management REST API server must be established

nexenta_rest_password = nexenta

string value

Password to connect to NexentaEdge.

nexenta_rest_port = 0

integer value

HTTP(S) port to connect to NexentaStor management REST API server. If it is equal zero, 8443 for HTTPS and 8080 for HTTP is used

nexenta_rest_protocol = auto

string value

Use http or https for NexentaStor management REST API connection (default auto)

nexenta_rest_read_timeout = 300

floating point value

Specifies the time limit (in seconds), within which NexentaStor management REST API server must send a response

nexenta_rest_retry_count = 3

integer value

Specifies the number of times to repeat NexentaStor management REST API call in case of connection errors and NexentaStor appliance EBUSY or ENOENT errors

nexenta_rest_user = admin

string value

User name to connect to NexentaEdge.

nexenta_rrmgr_compression = 0

integer value

Enable stream compression, level 1..9. 1 - gives best speed; 9 - gives best compression.

nexenta_rrmgr_connections = 2

integer value

Number of TCP connections.

nexenta_rrmgr_tcp_buf_size = 4096

integer value

TCP Buffer size in KiloBytes.

nexenta_shares_config = /etc/cinder/nfs_shares

string value

File with the list of available nfs shares

nexenta_sparse = False

boolean value

Enables or disables the creation of sparse datasets

nexenta_sparsed_volumes = True

boolean value

Enables or disables the creation of volumes as sparsed files that take no space. If disabled (False), volume is created as a regular file, which takes a long time.

nexenta_target_group_prefix = cinder

string value

Prefix for iSCSI target groups on NexentaStor

nexenta_target_prefix = iqn.1986-03.com.sun:02:cinder

string value

iqn prefix for NexentaStor iSCSI targets

nexenta_use_https = True

boolean value

Use HTTP secure protocol for NexentaStor management REST API connections

nexenta_user = admin

string value

User name to connect to NexentaStor management REST API server

nexenta_volume = cinder

string value

NexentaStor pool name that holds all volumes

nexenta_volume_group = iscsi

string value

Volume group for NexentaStor5 iSCSI

nfs_mount_attempts = 3

integer value

The number of attempts to mount NFS shares before raising an error. At least one attempt will be made to mount an NFS share, regardless of the value specified.

nfs_mount_options = None

string value

Mount options passed to the NFS client. See the NFS(5) man page for details.

nfs_mount_point_base = $state_path/mnt

string value

Base dir containing mount points for NFS shares.

nfs_qcow2_volumes = False

boolean value

Create volumes as QCOW2 files rather than raw files.

nfs_shares_config = /etc/cinder/nfs_shares

string value

File with the list of available NFS shares.

nfs_snapshot_support = False

boolean value

Enable support for snapshots on the NFS driver. Platforms using libvirt <1.2.7 will encounter issues with this feature.

nfs_sparsed_volumes = True

boolean value

Create volumes as sparsed files which take no space. If set to False volume is created as regular file. In such case volume creation takes a lot of time.

nimble_pool_name = default

string value

Nimble Controller pool name

nimble_subnet_label = *

string value

Nimble Subnet Label

nimble_verify_cert_path = None

string value

Path to Nimble Array SSL certificate

nimble_verify_certificate = False

boolean value

Whether to verify Nimble SSL Certificate

num_iser_scan_tries = 3

integer value

The maximum number of times to rescan iSER target to find volume

num_shell_tries = 3

integer value

Number of times to attempt to run flakey shell commands

num_volume_device_scan_tries = 3

integer value

The maximum number of times to rescan targets to find volume

nvmeof_conn_info_version = 1

integer value

NVMe os-brick connector has 2 different connection info formats, this allows some NVMe-oF drivers that use the original format (version 1), such as spdk and LVM-nvmet, to send the newer format.

nvmet_ns_id = 10

integer value

Namespace id for the subsystem for the LVM volume when not sharing targets. The minimum id value when sharing.Maximum supported value in Linux is 8192

nvmet_port_id = 1

port value

The id of the NVMe target port definition when not sharing targets. The starting port id value when sharing, incremented for each secondary ip address.

pool_max_resource_count = 250

integer value

Max resource count allowed for single pool

`pool_name = `

string value

storage pool name

port_group_load_metric = PercentBusy

string value

Metric used for port group load calculation.

port_load_metric = PercentBusy

string value

Metric used for port load calculation.

powerflex_allow_migration_during_rebuild = False

boolean value

Allow volume migration during rebuild.

powerflex_allow_non_padded_volumes = False

boolean value

Allow volumes to be created in Storage Pools when zero padding is disabled. This option should not be enabled if multiple tenants will utilize volumes from a shared Storage Pool.

powerflex_max_over_subscription_ratio = 10.0

floating point value

max_over_subscription_ratio setting for the driver. Maximum value allowed is 10.0.

powerflex_rest_server_port = 443

port value

Gateway REST server port.

powerflex_round_volume_capacity = True

boolean value

Round volume sizes up to 8GB boundaries. PowerFlex/VxFlex OS requires volumes to be sized in multiples of 8GB. If set to False, volume creation will fail for volumes not sized properly

powerflex_server_api_version = None

string value

PowerFlex/ScaleIO API version. This value should be left as the default value unless otherwise instructed by technical support.

powerflex_storage_pools = None

string value

Storage Pools. Comma separated list of storage pools used to provide volumes. Each pool should be specified as a protection_domain_name:storage_pool_name value

powerflex_unmap_volume_before_deletion = False

boolean value

Unmap volumes before deletion.

powermax_array = None

string value

Serial number of the array to connect to.

powermax_array_tag_list = None

list value

List of user assigned name for storage array.

powermax_port_group_name_template = portGroupName

string value

User defined override for port group name.

powermax_port_groups = None

list value

List of port groups containing frontend ports configured prior for server connection.

powermax_service_level = None

string value

Service level to use for provisioning storage. Setting this as an extra spec in pool_name is preferable.

powermax_short_host_name_template = shortHostName

string value

User defined override for short host name.

powermax_srp = None

string value

Storage resource pool on array to use for provisioning.

powerstore_appliances = []

list value

Appliances names. Comma separated list of PowerStore appliances names used to provision volumes. Deprecated since: Wallaby

*Reason:*Is not used anymore. PowerStore Load Balancer is used to provision volumes instead.

powerstore_nvme = False

boolean value

Connect PowerStore volumes using NVMe-OF.

powerstore_ports = []

list value

Allowed ports. Comma separated list of PowerStore iSCSI IPs or FC WWNs (ex. 58:cc:f0:98:49:22:07:02) to be used. If option is not set all ports are allowed.

proxy = cinder.volume.drivers.ibm.ibm_storage.proxy.IBMStorageProxy

string value

Proxy driver that connects to the IBM Storage Array

pure_api_token = None

string value

REST API authorization token.

pure_automatic_max_oversubscription_ratio = True

boolean value

Automatically determine an oversubscription ratio based on the current total data reduction values. If used this calculated value will override the max_over_subscription_ratio config option.

pure_eradicate_on_delete = False

boolean value

When enabled, all Pure volumes, snapshots, and protection groups will be eradicated at the time of deletion in Cinder. Data will NOT be recoverable after a delete with this set to True! When disabled, volumes and snapshots will go into pending eradication state and can be recovered.

pure_host_personality = None

string value

Determines how the Purity system tunes the protocol used between the array and the initiator.

pure_iscsi_cidr = 0.0.0.0/0

string value

CIDR of FlashArray iSCSI targets hosts are allowed to connect to. Default will allow connection to any IPv4 address. This parameter now supports IPv6 subnets. Ignored when pure_iscsi_cidr_list is set.

pure_iscsi_cidr_list = None

list value

Comma-separated list of CIDR of FlashArray iSCSI targets hosts are allowed to connect to. It supports IPv4 and IPv6 subnets. This parameter supersedes pure_iscsi_cidr.

pure_nvme_cidr = 0.0.0.0/0

string value

CIDR of FlashArray NVMe targets hosts are allowed to connect to. Default will allow connection to any IPv4 address. This parameter now supports IPv6 subnets. Ignored when pure_nvme_cidr_list is set.

pure_nvme_cidr_list = None

list value

Comma-separated list of CIDR of FlashArray NVMe targets hosts are allowed to connect to. It supports IPv4 and IPv6 subnets. This parameter supersedes pure_nvme_cidr.

pure_nvme_transport = roce

string value

The NVMe transport layer to be used by the NVMe driver.

pure_replica_interval_default = 3600

integer value

Snapshot replication interval in seconds.

pure_replica_retention_long_term_default = 7

integer value

Retain snapshots per day on target for this time (in days.)

pure_replica_retention_long_term_per_day_default = 3

integer value

Retain how many snapshots for each day.

pure_replica_retention_short_term_default = 14400

integer value

Retain all snapshots on target for this time (in seconds.)

pure_replication_pg_name = cinder-group

string value

Pure Protection Group name to use for async replication (will be created if it does not exist).

pure_replication_pod_name = cinder-pod

string value

Pure Pod name to use for sync replication (will be created if it does not exist).

pure_trisync_enabled = False

boolean value

When enabled and two replication devices are provided, one each of types sync and async, this will enable the ability to create a volume that is sync replicated to one array and async replicated to a separate array.

pure_trisync_pg_name = cinder-trisync

string value

Pure Protection Group name to use for trisync replication leg inside the sync replication pod (will be created if it does not exist).

pvme_iscsi_ips = []

list value

List of comma-separated target iSCSI IP addresses.

pvme_pool_name = A

string value

Pool or Vdisk name to use for volume creation.

qnap_management_url = None

uri value

The URL to management QNAP Storage. Driver does not support IPv6 address in URL.

qnap_poolname = None

string value

The pool name in the QNAP Storage

qnap_storage_protocol = iSCSI

string value

Communication protocol to access QNAP storage

quobyte_client_cfg = None

string value

Path to a Quobyte Client configuration file.

quobyte_mount_point_base = $state_path/mnt

string value

Base dir containing the mount point for the Quobyte volume.

quobyte_overlay_volumes = False

boolean value

Create new volumes from the volume_from_snapshot_cache by creating overlay files instead of full copies. This speeds up the creation of volumes from this cache. This feature requires the options quobyte_qcow2_volumes and quobyte_volume_from_snapshot_cache to be set to True. If one of these is set to False this option is ignored.

quobyte_qcow2_volumes = True

boolean value

Create volumes as QCOW2 files rather than raw files.

quobyte_sparsed_volumes = True

boolean value

Create volumes as sparse files which take no space. If set to False, volume is created as regular file.

quobyte_volume_from_snapshot_cache = False

boolean value

Create a cache of volumes from merged snapshots to speed up creation of multiple volumes from a single snapshot.

quobyte_volume_url = None

string value

Quobyte URL to the Quobyte volume using e.g. a DNS SRV record (preferred) or a host list (alternatively) like quobyte://<DIR host1>, <DIR host2>/<volume name>

rados_connect_timeout = -1

integer value

Timeout value (in seconds) used when connecting to ceph cluster. If value < 0, no timeout is set and default librados value is used.

rados_connection_interval = 5

integer value

Interval value (in seconds) between connection retries to ceph cluster.

rados_connection_retries = 3

integer value

Number of retries if connection to ceph cluster failed.

`rbd_ceph_conf = `

string value

Path to the ceph configuration file

rbd_cluster_name = ceph

string value

The name of ceph cluster

rbd_concurrent_flatten_operations = 3

integer value

Number of flatten operations that will run concurrently on this volume service.

rbd_exclusive_cinder_pool = True

boolean value

Set to False if the pool is shared with other usages. On exclusive use driver won’t query images' provisioned size as they will match the value calculated by the Cinder core code for allocated_capacity_gb. This reduces the load on the Ceph cluster as well as on the volume service. On non exclusive use driver will query the Ceph cluster for per image used disk, this is an intensive operation having an independent request for each image.

rbd_flatten_volume_from_snapshot = False

boolean value

Flatten volumes created from snapshots to remove dependency from volume to snapshot

rbd_iscsi_api_debug = False

boolean value

Enable client request debugging.

`rbd_iscsi_api_password = `

string value

The username for the rbd_target_api service

`rbd_iscsi_api_url = `

string value

The url to the rbd_target_api service

`rbd_iscsi_api_user = `

string value

The username for the rbd_target_api service

rbd_iscsi_target_iqn = None

string value

The preconfigured target_iqn on the iscsi gateway.

rbd_max_clone_depth = 5

integer value

Maximum number of nested volume clones that are taken before a flatten occurs. Set to 0 to disable cloning. Note: lowering this value will not affect existing volumes whose clone depth exceeds the new value.

rbd_pool = rbd

string value

The RADOS pool where rbd volumes are stored

rbd_secret_uuid = None

string value

The libvirt uuid of the secret for the rbd_user volumes. Defaults to the cluster FSID.

rbd_store_chunk_size = 4

integer value

Volumes will be chunked into objects of this size (in megabytes).

rbd_user = None

string value

The RADOS client name for accessing rbd volumes - only set when using cephx authentication

remove_empty_host = False

boolean value

To remove the host from Unity when the last LUN is detached from it. By default, it is False.

replication_connect_timeout = 5

integer value

Timeout value (in seconds) used when connecting to ceph cluster to do a demotion/promotion of volumes. If value < 0, no timeout is set and default librados value is used.

replication_device = None

dict value

Multi opt of dictionaries to represent a replication target device. This option may be specified multiple times in a single config section to specify multiple replication target devices. Each entry takes the standard dict config form: replication_device = target_device_id:<required>,key1:value1,key2:value2…​

report_discard_supported = False

boolean value

Report to clients of Cinder that the backend supports discard (aka. trim/unmap). This will not actually change the behavior of the backend or the client directly, it will only notify that it can be used.

report_dynamic_total_capacity = True

boolean value

Set to True for driver to report total capacity as a dynamic value (used + current free) and to False to report a static value (quota max bytes if defined and global size of cluster if not).

reserved_percentage = 0

integer value

The percentage of backend capacity is reserved

retries = 200

integer value

Use this value to specify number of retries.

san_api_port = None

port value

Port to use to access the SAN API

`san_clustername = `

string value

Cluster name to use for creating volumes

`san_ip = `

string value

IP address of SAN controller

san_is_local = False

boolean value

Execute commands locally instead of over SSH; use if the volume service is running on the SAN device

san_login = admin

string value

Username for SAN controller

`san_password = `

string value

Password for SAN controller

`san_private_key = `

string value

Filename of private key to use for SSH authentication

san_ssh_port = 22

port value

SSH port to use with SAN

san_thin_provision = True

boolean value

Use thin provisioning for SAN volumes?

scst_target_driver = iscsi

string value

SCST target implementation can choose from multiple SCST target drivers.

scst_target_iqn_name = None

string value

Certain ISCSI targets have predefined target names, SCST target driver uses this name.

seagate_iscsi_ips = []

list value

List of comma-separated target iSCSI IP addresses.

seagate_pool_name = A

string value

Pool or vdisk name to use for volume creation.

seagate_pool_type = virtual

string value

linear (for vdisk) or virtual (for virtual pool).

`secondary_san_ip = `

string value

IP address of secondary DSM controller

secondary_san_login = Admin

string value

Secondary DSM user name

`secondary_san_password = `

string value

Secondary DSM user password name

secondary_sc_api_port = 3033

port value

Secondary Dell API port

sf_account_prefix = None

string value

Create SolidFire accounts with this prefix. Any string can be used here, but the string "hostname" is special and will create a prefix using the cinder node hostname (previous default behavior). The default is NO prefix.

sf_allow_tenant_qos = False

boolean value

Allow tenants to specify QOS on create

sf_api_port = 443

port value

SolidFire API port. Useful if the device api is behind a proxy on a different port.

sf_api_request_timeout = 30

integer value

Sets time in seconds to wait for an api request to complete.

sf_cluster_pairing_timeout = 60

integer value

Sets time in seconds to wait for clusters to complete pairing.

sf_emulate_512 = True

boolean value

Set 512 byte emulation on volume creation;

sf_enable_vag = False

boolean value

Utilize volume access groups on a per-tenant basis.

sf_provisioning_calc = maxProvisionedSpace

string value

Change how SolidFire reports used space and provisioning calculations. If this parameter is set to usedSpace, the driver will report correct values as expected by Cinder thin provisioning.

sf_svip = None

string value

Overrides default cluster SVIP with the one specified. This is required or deployments that have implemented the use of VLANs for iSCSI networks in their cloud.

sf_volume_clone_timeout = 600

integer value

Sets time in seconds to wait for a clone of a volume or snapshot to complete.

sf_volume_create_timeout = 60

integer value

Sets time in seconds to wait for a create volume operation to complete.

sf_volume_pairing_timeout = 3600

integer value

Sets time in seconds to wait for a migrating volume to complete pairing and sync.

sf_volume_prefix = UUID-

string value

Create SolidFire volumes with this prefix. Volume names are of the form <sf_volume_prefix><cinder-volume-id>. The default is to use a prefix of UUID-.

smbfs_default_volume_format = vhd

string value

Default format that will be used when creating volumes if no volume format is specified.

smbfs_mount_point_base = C:\OpenStack\_mnt

string value

Base dir containing mount points for smbfs shares.

smbfs_pool_mappings = {}

dict value

Mappings between share locations and pool names. If not specified, the share names will be used as pool names. Example: //addr/share:pool_name,//addr/share2:pool_name2

smbfs_shares_config = C:\OpenStack\smbfs_shares.txt

string value

File with the list of available smbfs shares.

spdk_max_queue_depth = 64

integer value

Queue depth for rdma transport.

spdk_rpc_ip = None

string value

The NVMe target remote configuration IP address.

spdk_rpc_password = None

string value

The NVMe target remote configuration password.

spdk_rpc_port = 8000

port value

The NVMe target remote configuration port.

spdk_rpc_protocol = http

string value

Protocol to be used with SPDK RPC proxy

spdk_rpc_username = None

string value

The NVMe target remote configuration username.

ssh_conn_timeout = 30

integer value

SSH connection timeout in seconds

ssh_max_pool_conn = 5

integer value

Maximum ssh connections in the pool

ssh_min_pool_conn = 1

integer value

Minimum ssh connections in the pool

storage_protocol = iSCSI

string value

Protocol for transferring data between host and storage back-end.

storage_vnx_authentication_type = global

string value

VNX authentication scope type. By default, the value is global.

storage_vnx_pool_names = None

list value

Comma-separated list of storage pool names to be used.

storage_vnx_security_file_dir = None

string value

Directory path that contains the VNX security file. Make sure the security file is generated first.

storpool_replication = 3

integer value

The default StorPool chain replication value. Used when creating a volume with no specified type if storpool_template is not set. Also used for calculating the apparent free space reported in the stats.

storpool_template = None

string value

The StorPool template for volumes with no type.

storwize_peer_pool = None

string value

Specifies the name of the peer pool for hyperswap volume, the peer pool must exist on the other site.

storwize_portset = None

string value

Specifies the name of the portset in which the host is to be created.

storwize_preferred_host_site = {}

dict value

Specifies the site information for host. One WWPN or multi WWPNs used in the host can be specified. For example: storwize_preferred_host_site=site1:wwpn1,site2:wwpn2&wwpn3 or storwize_preferred_host_site=site1:iqn1,site2:iqn2

storwize_san_secondary_ip = None

string value

Specifies secondary management IP or hostname to be used if san_ip is invalid or becomes inaccessible.

storwize_svc_allow_tenant_qos = False

boolean value

Allow tenants to specify QOS on create

storwize_svc_clean_rate = 50

integer value

Specifies the Storwize cleaning rate for the mapping. The default rate is 50, and the valid rates are 0-150.

storwize_svc_flashcopy_rate = 50

integer value

Specifies the Storwize FlashCopy copy rate to be used when creating a full volume copy. The default is rate is 50, and the valid rates are 1-150.

storwize_svc_flashcopy_timeout = 120

integer value

Maximum number of seconds to wait for FlashCopy to be prepared.

storwize_svc_iscsi_chap_enabled = True

boolean value

Configure CHAP authentication for iSCSI connections (Default: Enabled)

storwize_svc_mirror_pool = None

string value

Specifies the name of the pool in which mirrored copy is stored. Example: "pool2"

storwize_svc_multihostmap_enabled = True

boolean value

This option no longer has any affect. It is deprecated and will be removed in the next release.

storwize_svc_multipath_enabled = False

boolean value

Connect with multipath (FC only; iSCSI multipath is controlled by Nova)

storwize_svc_retain_aux_volume = False

boolean value

Enable or disable retaining of aux volume on secondary storage during delete of the volume on primary storage or moving the primary volume from mirror to non-mirror with replication enabled. This option is valid for Storage Virtualize Family.

storwize_svc_src_child_pool = None

string value

Specifies the name of the source child pool in which global mirror source change volume is stored.

storwize_svc_stretched_cluster_partner = None

string value

If operating in stretched cluster mode, specify the name of the pool in which mirrored copies are stored.Example: "pool2"

storwize_svc_target_child_pool = None

string value

Specifies the name of the target child pool in which global mirror auxiliary change volume is stored.

storwize_svc_vol_autoexpand = True

boolean value

Storage system autoexpand parameter for volumes (True/False)

storwize_svc_vol_compression = False

boolean value

Storage system compression option for volumes

storwize_svc_vol_easytier = True

boolean value

Enable Easy Tier for volumes

storwize_svc_vol_grainsize = 256

integer value

Storage system grain size parameter for volumes (8/32/64/128/256)

storwize_svc_vol_iogrp = 0

string value

The I/O group in which to allocate volumes. It can be a comma-separated list in which case the driver will select an io_group based on least number of volumes associated with the io_group.

storwize_svc_vol_nofmtdisk = False

boolean value

Specifies that the volume not be formatted during creation.

storwize_svc_vol_rsize = 2

integer value

Storage system space-efficiency parameter for volumes (percentage)

storwize_svc_vol_warning = 0

integer value

Storage system threshold for volume capacity warnings (percentage)

storwize_svc_volpool_name = ['volpool']

list value

Comma separated list of storage system storage pools for volumes.

storwize_volume_group = False

boolean value

Parameter to enable or disable Volume Group(True/False)

suppress_requests_ssl_warnings = False

boolean value

Suppress requests library SSL certificate warnings.

synology_admin_port = 5000

port value

Management port for Synology storage.

synology_device_id = None

string value

Device id for skip one time password check for logging in Synology storage if OTP is enabled.

synology_one_time_pass = None

string value

One time password of administrator for logging in Synology storage if OTP is enabled.

`synology_password = `

string value

Password of administrator for logging in Synology storage.

`synology_pool_name = `

string value

Volume on Synology storage to be used for creating lun.

synology_ssl_verify = True

boolean value

Do certificate validation or not if $driver_use_ssl is True

synology_username = admin

string value

Administrator of Synology storage.

target_helper = tgtadm

string value

Target user-land tool to use. tgtadm is default, use lioadm for LIO iSCSI support, scstadmin for SCST target support, ietadm for iSCSI Enterprise Target, iscsictl for Chelsio iSCSI Target, nvmet for NVMEoF support, spdk-nvmeof for SPDK NVMe-oF, or fake for testing. Note: The IET driver is deprecated and will be removed in the V release.

target_ip_address = $my_ip

string value

The IP address that the iSCSI/NVMEoF daemon is listening on

target_port = 3260

port value

The port that the iSCSI/NVMEoF daemon is listening on

target_prefix = iqn.2010-10.org.openstack:

string value

Prefix for iSCSI/NVMEoF volumes

target_protocol = iscsi

string value

Determines the target protocol for new volumes, created with tgtadm, lioadm and nvmet target helpers. In order to enable RDMA, this parameter should be set with the value "iser". The supported iSCSI protocol values are "iscsi" and "iser", in case of nvmet target set to "nvmet_rdma" or "nvmet_tcp".

target_secondary_ip_addresses = []

list value

The list of secondary IP addresses of the iSCSI/NVMEoF daemon

tat_api_retry_count = 10

integer value

Number of retry on Tatlin API

thres_avl_size_perc_start = 20

integer value

If the percentage of available space for an NFS share has dropped below the value specified by this option, the NFS image cache will be cleaned.

thres_avl_size_perc_stop = 60

integer value

When the percentage of available space on an NFS share has reached the percentage specified by this option, the driver will stop clearing files from the NFS image cache that have not been accessed in the last M minutes, where M is the value of the expiry_thres_minutes configuration option.

trace_flags = None

list value

List of options that control which trace info is written to the DEBUG log level to assist developers. Valid values are method and api.

u4p_failover_autofailback = True

boolean value

If the driver should automatically failback to the primary instance of Unisphere when a successful connection is re-established.

u4p_failover_backoff_factor = 1

integer value

A backoff factor to apply between attempts after the second try (most errors are resolved immediately by a second try without a delay). Retries will sleep for: {backoff factor} * (2 ^ ({number of total retries} - 1)) seconds.

u4p_failover_retries = 3

integer value

The maximum number of retries each connection should attempt. Note, this applies only to failed DNS lookups, socket connections and connection timeouts, never to requests where data has made it to the server.

u4p_failover_target = None

dict value

Dictionary of Unisphere failover target info.

u4p_failover_timeout = 20.0

integer value

How long to wait for the server to send data before giving up.

unique_fqdn_network = True

boolean value

Whether or not our private network has unique FQDN on each initiator or not. For example networks with QA systems usually have multiple servers/VMs with the same FQDN. When true this will create host entries on 3PAR using the FQDN, when false it will use the reversed IQN/WWNN.

unity_io_ports = []

list value

A comma-separated list of iSCSI or FC ports to be used. Each port can be Unix-style glob expressions.

unity_storage_pool_names = []

list value

A comma-separated list of storage pool names to be used.

use_chap_auth = False

boolean value

Option to enable/disable CHAP authentication for targets.

use_multipath_for_image_xfer = False

boolean value

Do we attach/detach volumes in cinder using multipath for volume to image and image to volume transfers? This parameter needs to be configured for each backend section or in [backend_defaults] section as a common configuration for all backends.

vmax_workload = None

string value

Workload, setting this as an extra spec in pool_name is preferable.

vmware_adapter_type = lsiLogic

string value

Default adapter type to be used for attaching volumes.

vmware_api_retry_count = 10

integer value

Number of times VMware vCenter server API must be retried upon connection related issues.

vmware_ca_file = None

string value

CA bundle file to use in verifying the vCenter server certificate.

vmware_cluster_name = None

multi valued

Name of a vCenter compute cluster where volumes should be created.

vmware_connection_pool_size = 10

integer value

Maximum number of connections in http connection pool.

vmware_datastore_regex = None

string value

Regular expression pattern to match the name of datastores where backend volumes are created.

vmware_enable_volume_stats = False

boolean value

If true, this enables the fetching of the volume stats from the backend. This has potential performance issues at scale. When False, the driver will not collect ANY stats about the backend.

vmware_host_ip = None

string value

IP address for connecting to VMware vCenter server.

vmware_host_password = None

string value

Password for authenticating with VMware vCenter server.

vmware_host_port = 443

port value

Port number for connecting to VMware vCenter server.

vmware_host_username = None

string value

Username for authenticating with VMware vCenter server.

vmware_host_version = None

string value