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1.2. Installation Prerequisites Checklists
The following tables describe prerequisites for successfully installing a Red Hat OpenStack Platform environment. Checklist items are the minimum that should be known or verified before the installation is started.
The Value/Verified column can be used to provide the appropriate value or a 'check' that the item has been verified.
Note
If you are installing single components after the initial Red Hat OpenStack Platform installation, ensure that you have the following permissions:
root
access to the host machine (to install components and perform other administrative tasks such as updating the firewall).- Administrative access to the Identity service.
- Administrative access to the database (ability to add both databases and users).
Item | Description | Value/Verified |
---|---|---|
Hardware requirements
|
Hardware requirements must be verified.
|
Yes | No
|
Operating system
|
Red Hat Enterprise Linux 7.3 Server
|
Yes | No
|
Red Hat subscription
|
You must have a subscription that entitles your systems to receive the following updates:
|
Yes | No
|
Administrative access on all installation machines | Almost all procedures in this guide must be performed as the root user, so you must have root access. | Yes | No |
Red Hat subscription user name and password
|
You must know the Red Hat subscription user name and password.
|
|
Machine addresses
|
You must know the IP address or host name of the server or servers on which any OpenStack components and supporting software will be installed.
|
Provide host addresses for the following services:
|
Item | Description | Value |
---|---|---|
Host access
|
The system hosting the Identity service must have access to the following components:
|
Verify whether the system has access to the following components:
|
SSL certificates
|
If you are using external SSL certificates, you must know where the database and certificates are located, and have access to them.
|
Yes | No
|
LDAP information | If you are using LDAP, you must have administrative access to configure a new directory server schema. | Yes | No |
Connections | The system hosting the Identity service must have a connection to all other OpenStack services. | Yes | No |
Item | Description | Value |
---|---|---|
File system
|
Red Hat currently supports the
XFS and ext4 file systems for object storage; one of these must be available.
|
|
Mount point
|
The
/srv/node mount point must be available.
|
Yes | No
|
Connections | The system hosting the Object Storage service requires a connection to the Identity service. | Yes | No |
Item | Description | Value |
---|---|---|
Back-end storage
|
The Image service supports a number of storage back ends. You must decide on one of the following:
|
Storage type:
|
Connections | The server hosting the Image service must have a connection to the Identity service, the dashboard service, and the Compute services. The server must also have access to the Object Storage service if it is using Object Storage as its back end. | Yes | No |
Item | Description | Value |
---|---|---|
Back-end storage
|
The Block Storage service supports a number of storage back ends. You must decide on one of the following:
|
Storage type:
|
Connections | The server hosting the Block Storage service must have a connection to the Identity service, the dashboard service, and the Compute services. | Yes | No |
Item | Description | Value |
---|---|---|
Plug-in agents
|
In addition to the standard OpenStack Networking components, a number of plug-in agents are also available that implement various networking mechanisms.
You must decide which of these apply to your network and install them.
|
Circle the appropriate plug-in:
|
Connections | The server hosting OpenStack Networking must have a connection to the Identity service, the dashboard service, and the Compute services. | Yes | No |
Item | Description | Value |
---|---|---|
Hardware virtualization support
|
The Compute service requires hardware virtualization support.
|
Yes | No
|
VNC client
|
The Compute service supports Virtual Network Computing (VNC) console access to instances through a web browser. You must decide whether this will be provided to your users.
|
Yes | No
|
Resources: CPU and memory
|
OpenStack supports overcommitting of CPU and memory resources on Compute nodes:
|
Decide:
|
Resources: host
|
You can reserve resources for the host, to prevent a given amount of memory and disk resources from being automatically assigned to other resources on the host.
|
Decide:
|
libvirt version | You must know the version of libvirt that you are using in order to configure Virtual Interface Plugging. | Version: |
Connections | The server or servers hosting the Compute service must have a connection to all other OpenStack services. | Yes | No |
Item | Description | Value |
---|---|---|
Host software
|
The system hosting the dashboard service must have the following packages already installed:
|
Yes | No
|
Connections
|
The system hosting the dashboard service must have a connection to all other OpenStack services.
|
Yes | No
|