Configuring the Block Storage service (optional)

configure-cinder-nfs.rst configure-cinder-backup.rst configure-cinder-az.rst

By default, the Block Storage service uses the LVM back end. To use a NetApp storage appliance back end, edit the /etc/openstack_deploy/openstack_user_config.yml file and configure each storage node that will use it:

Ensure that the NAS Team enables httpd.admin.access.

Add the netapp stanza under the cinder_backends stanza for each storage node:
```
cinder_backends:
  netapp:
```
The options in subsequent steps fit under the netapp stanza.

The back end name is arbitrary and becomes a volume type within the Block Storage service.
Configure the storage family:
```
netapp_storage_family: STORAGE_FAMILY
```
Replace ``STORAGE_FAMILY`` with ontap_7mode for Data ONTAP operating in 7-mode or ontap_cluster for Data ONTAP operating as a cluster.
Configure the storage protocol:
```
netapp_storage_protocol: STORAGE_PROTOCOL
```
Replace ``STORAGE_PROTOCOL`` with iscsi for iSCSI or nfs for NFS.

For the NFS protocol, you must also specify the location of the configuration file that lists the shares available to the Block Storage service:
```
nfs_shares_config: SHARE_CONFIG
```
Replace ``SHARE_CONFIG`` with the location of the share configuration file. For example, /etc/cinder/nfs_shares.
Configure the server:
```
netapp_server_hostname: SERVER_HOSTNAME
```
Replace ``SERVER_HOSTNAME`` with the hostnames for both netapp controllers.
Configure the server API port:
```
netapp_server_port: PORT_NUMBER
```
Replace ``PORT_NUMBER`` with 80 for HTTP or 443 for HTTPS.
Configure the server credentials:
```
netapp_login: USER_NAME
netapp_password: PASSWORD
```
Replace ``USER_NAME`` and ``PASSWORD`` with the appropriate values.

Select the NetApp driver:

volume_driver: cinder.volume.drivers.netapp.common.NetAppDriver

Configure the volume back end name:
```
volume_backend_name: BACKEND_NAME
```
Replace ``BACKEND_NAME`` with a suitable value that provides a hint for the Block Storage scheduler. For example, NETAPP_iSCSI.

Check that the openstack_user_config.yml configuration is accurate:

storage_hosts:
  xxxxxx-Infra01:
    ip: 172.29.236.16
    container_vars:
      cinder_backends:
        limit_container_types: cinder_volume
        netapp:
          netapp_storage_family: ontap_7mode
          netapp_storage_protocol: nfs
          netapp_server_hostname: 111.222.333.444
          netapp_server_port: 80
          netapp_login: openstack_cinder
          netapp_password: password
          volume_driver: cinder.volume.drivers.netapp.common.NetAppDriver
          volume_backend_name: NETAPP_NFS

For ``netapp_server_hostname``, specify the IP address of the Data ONTAP server. Include iSCSI or NFS for the ``netapp_storage_family`` depending on the configuration. Add 80 if using HTTP or 443 if using HTTPS for ``netapp_server_port``.

The cinder-volume.yml playbook will automatically install the nfs-common file across the hosts, transitioning from an LVM to a NetApp back end.

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Configuring the Block Storage service (optional)

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