After you have set up your Virtual SAN cluster, you can use the vSphere Web Client to add hosts and capacity devices, remove hosts and devices, and manage failure scenarios. Expanding a Virtual SAN ClusterYou can expand an existing Virtual SAN cluster by adding hosts or adding devices to existing hosts, without disrupting any ongoing operations. Working with Maintenance ModeBefore you shut down, reboot, or disconnect a host that is a member of a Virtual SAN cluster, you must put the host in maintenance mode. Managing Fault Domains in Virtual SAN ClustersIf your Virtual SAN cluster spans across multiple racks or blade server chassis in a data center and you want to make sure that your hosts are protected against rack or chassis failure, you can create fault domains and add one or more hosts to each fault domain. Migrate a Hybrid Virtual SAN Cluster to an All-Flash ClusterYou can migrate the disk groups in a hybrid Virtual SAN cluster to all-flash disk groups. Power off a Virtual SAN ClusterYou can power off a Virtual SAN cluster.