How to Check For and Fix Bad Mediator Data

Ensure that you have added mediator hosts as described in How to Add Mediator Hosts.

Perform this procedure to repair bad mediator data.

Display the status of the mediator data.
```
phys-schost# medstat -s setname
```
-s setname

Specifies the disk set name.

See the medstat(8) man page for more information.
Check the Status field of the medstat output for each mediator host.
- If the status is Ok, no error condition exists.
- If the status is Bad, repair the affected mediator host.
Assume the root role on the node that owns the affected disk set.
Remove all mediator hosts with bad mediator data from all affected disk sets.
```
phys-schost# metaset -s setname -d -m mediator-host-list
```
-s setname

Specifies the disk set name.

-d

Deletes from the disk set.

-m mediator-host-list

Specifies the name of the node to remove as a mediator host for the disk set.
Restore each mediator host that you removed in Step 4.
```
phys-schost# metaset -s setname -a -m mediator-host-list
```
-a

Adds to the disk set.

-m mediator-host-list

Specifies the name of the node to add as a mediator host for the disk set.

See the mediator(4D) man page for details about mediator-specific options to the metaset command.

Next Steps

Determine from the following list the next task to perform that applies to your cluster configuration.

If you want to create cluster file systems, go to How to Create UFS Cluster File Systems.
To find out how to install third-party applications, register resource types, set up resource groups, and configure data services, see the documentation that is supplied with the application software and the Planning and Administering Data Services for Oracle Solaris Cluster 4.4.