NetBackup for OpenStack Cluster
NetBackup for OpenStack can be deployed as a single node or a three-node cluster. We recommend that NetBackup for OpenStack is deployed as a three node cluster for fault tolerance and load balancing. NetBackup for OpenStack requires additional IP for cluster and is required for both single node and three node deployments. Cluster IP (virtual IP) is used to manage the cluster and is used to register NetBackup for OpenStack service endpoint in the keystone service catalog.