To add a Disk client to the DISK Clients list, click Add. Enter the names of the NetBackup hosts that meet all of the following criteria:
The host must be designated in a policy as the Off-host backup host in an alternate client backup.
The host that is designated as the Off-host backup computer must not be named as a client on the Clients tab in any NetBackup policy.
The policy for the off-host backup must be configured to use one of the disk array snapshot methods for the EMC CLARiiON, HP EVA, or IBM disk arrays.