cinder/control/backend/ceph.yml

parameters:
  cinder:
    controller:
      default_volume_type: standard-iops
      backend:
        ceph:
          type_name: standard-iops
          backend: ceph
          pool: ${_param:cinder_storage_pool}
          engine: ceph
          user: ${_param:cinder_storage_user}
          secret_uuid: ${_param:cinder_storage_secret_uuid}
          client_cinder_key: ${_param:cinder_storage_client_key}