How to Verify the Disk Group Configuration

Perform this procedure on each node of the cluster.

1. Become superuser.

2. List the disk groups.

   phys-schost# vxdisk list

3. List the device groups.

   phys-schost# cldevicegroup list -v

4. Verify that all disk groups are correctly configured.

   Ensure that the following requirements are met:

   • The root disk group includes only local disks.

   • All disk groups and any local disk groups are imported on the current primary node only.

5. Verify that all volumes have been started.

   phys-schost# vxprint

6. Verify that all disk groups have been registered as Sun Cluster device groups and are online.

   phys-schost# cldevicegroup status

   Output should not display any local disk groups.

7. (Optional) Capture the disk partitioning information for future reference.

   phys-schost# prtvtoc /dev/rdsk/cNtXdYsZ > filename

   Store the file in a location outside the cluster. If you make any disk configuration changes, run this command again to capture the changed configuration. If a disk fails and needs replacement, you can use this information to restore the disk partition configuration. For more information, see the prtvtoc(1M) man page.

8. (Optional) Make a backup of your cluster configuration.

   An archived backup of your cluster configuration facilitates easier recovery of the your cluster configuration,

   For more information, see How to Back Up the Cluster Configuration in Sun Cluster System Administration Guide for Solaris OS.

Guidelines for Administering VxVM Disk Groups

Observe the following guidelines for administering VxVM disk groups in a Sun Cluster configuration:

• VxVM device groups - VxVM disk groups that have been registered as device groups are managed by Sun Cluster software. After a disk group is registered as a device group, you should never import or deport that VxVM disk group by using VxVM commands. The Sun Cluster software can handle all cases where device groups need to be imported or deported. See Administering Device Groups in Sun Cluster System Administration Guide for Solaris OS for procedures about how to manage device groups.

• Local disk groups - Local VxVM disk groups are not managed by Sun Cluster software. Use VxVM commands to administer local disk groups as you would in a nonclustered system.

Troubleshooting

If the output of the cldevicegroup status command includes any local disk groups, the displayed disk groups are not configured correctly for local-only access. Return to How to Create a Disk Group to reconfigure the local disk group.

Next Steps

Determine from the following list the next task to perform that applies to your cluster configuration. If you need to perform more than one task from this list, go to the first of those tasks in this list.

• To create cluster file systems, go to How to Create Cluster File Systems.

• To create non-global zones on a node, go to How to Create a Non-Global Zone on a Cluster Node.

• SPARC: To configure Sun Management Center to monitor the cluster, go to SPARC: Installing the Sun Cluster Module for Sun Management Center.

• 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 Sun Cluster Data Services Planning and Administration Guide for Solaris OS.