Replacing a Qurum Server in Cluster

Important: It is not possible to replace the Quorum Server of a MC/Serviceguard Cluster while the cluster is running.

Get the current cluster configuration and save it to an ascii file.

# cmgetconf -v -c cluster1 mycluster.ascii

Edit the config

Edit the config dump.

# vi mycluster.ascii QS_HOST myquorum-server QS_POLLING_INTERVAL 1200000000

Stop the Cluster

Stop all packages on the cluster.

# cmhaltpkg -v [pkg_1] [pkg_2]

Stop the whole cluster.

# cmhaltcl -v

Apply the new config

Check and apply the new configuration.

# cmcheckconf -v -C mycluster.ascii # cmapplyconf -v -C mycluster.ascii

Start the Cluster

# cmruncl -v

Check Cluster

Check if the cluster uses the new Quorum server.

# cmviewcl –v . . Quorum_Server_Status: NAME STATUS STATE myquorum-server up running . .