Failover rehearsal
Failover rehearsal provides mirroring status for different storage devices in a multi-site cluster.
PowerHA®
SystemMirror® 7.2.2, or later, provides you
with the following information when you move resource to other sites:
- Storage mirroring availability between storage sites
- Direction of mirroring between sites
- Types of mirroring
- Status of mirroring
Note: Failover rehearsal feature is available only in SAN Volume Controller (SVC) storage
devices in a linked cluster
environment.
clmgr manage cluster rehearsal \
[ RESOURCE_GROUP=”<RG#1> [,<RG#2>,...]” ]
Example
To check the mirroring status of storage devices included in RG1 and RG2
resource groups, enter the following
command:
clmgr manage cluster rehearsal RESOURCE_GROUP="RG1 RG2"