Maintaining shared volume groups

Using C-SPOC simplifies the steps required for all tasks. Moreover, you do not have to stop and restart cluster services to do the tasks.

A resource, such as a volume group, a physical disk, a file system, or an IP address, can be reliably controlled by only one resource manager at a time. For resources defined as part of PowerHA SystemMirror resource groups, PowerHA SystemMirror should be the only resource manager controlling the resource. You should refrain from using AIX® commands to modify such resources, and only use PowerHA SystemMirror operations on the resources. Only use C-SPOC operations on shared volume groups, physical disks, and file systems when the cluster is active. Using AIX commands on shared volume groups while the cluster is active can result in the volume group becoming inaccessible, and has the potential for introducing data corruption.