Veritas Volume Manager 5.1 SP1 Administrator"s Guide (5900-1506, April 2011)

To change the CVM master manually
1
To view the current master, use one of the following commands:
# vxclustadm nidmap
Name CVM Nid CM Nid State
system01 0 0 Joined: Slave
system02 1 1 Joined: Master
# vxdctl -c mode
mode: enabled: cluster active - MASTER
master: system02
In this example, the CVM master is system02.
2
From any node on the cluster, run the following command to change the CVM
master:
# vxclustadm setmaster nodename
where nodename specifies the name of the new CVM master.
The following example shows changing the master on a cluster from system02
to system01:
# vxclustadm setmaster system01
451Administering cluster functionality (CVM)
Administering VxVM in cluster environments