CMMVC8953E There are no nodes in the site and/or I/O group specified.
Explanation
Nodes in the cluster were not configured to be part of the site before discovery of the iSCSI backend controller was initiated.
User response
If the system topology is a stretched cluster or HyperSwap® configuration, use the management GUI or the addnode or chnode command to add the nodes to the specified site. Restart discovery.