Add mediator hosts as described in How to Add Mediator Hosts.
Run the medstat command.
# medstat -s setname |
Specifies the diskset name
See the medstat(1M) man page for more information.
Is Bad the value in the Status field?
If yes, go to How to Fix Bad Mediator Data to repair the affected mediator host.
If no, go to How to Add Cluster File Systems to create a cluster file system.