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Chapter 16. Configuring Direct Deploy
When provisioning nodes, the director mounts the overcloud base operating system image on an iSCSI mount and then copies the image to disk on each node. Direct deploy is an alternative method that writes disk images from a HTTP location directly to disk on bare metal nodes.
16.1. Configuring the direct deploy interface on the undercloud Link kopierenLink in die Zwischenablage kopiert!
The iSCSI deploy interface is the default deploy interface. However, you can enable the direct deploy interface to download an image from a HTTP location to the target disk.
Your overcloud node memory tmpfs
must have at least 6GB of RAM.
Procedure
Create or modify a custom environment file
/home/stack/undercloud_custom_env.yaml
and specify theIronicDefaultDeployInterface
.parameter_defaults: IronicDefaultDeployInterface: direct
parameter_defaults: IronicDefaultDeployInterface: direct
Copy to Clipboard Copied! Toggle word wrap Toggle overflow If you register your nodes with iscsi, you must retain the
iscsi
value in theIronicDefaultDeployInterface
parameter:parameter_defaults: IronicDefaultDeployInterface: direct,iscsi
parameter_defaults: IronicDefaultDeployInterface: direct,iscsi
Copy to Clipboard Copied! Toggle word wrap Toggle overflow Include the custom environment file in
DEFAULT
section of theundercloud.conf
file.custom_env_files = /home/stack/undercloud_custom_env.yaml
custom_env_files = /home/stack/undercloud_custom_env.yaml
Copy to Clipboard Copied! Toggle word wrap Toggle overflow Perform the undercloud installation:
openstack undercloud install
$ openstack undercloud install
Copy to Clipboard Copied! Toggle word wrap Toggle overflow Specify the deploy interface for a node:
openstack baremetal node set <NODE> --deploy-interface direct
$ openstack baremetal node set <NODE> --deploy-interface direct
Copy to Clipboard Copied! Toggle word wrap Toggle overflow