MC/Serviceguard Cluster – Replace Quorum Server
Overview
It is not possible to replace the Quorum Server of a MC/Serviceguard Cluster while the cluster is running.
Get the current cluster configuration
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
.
.
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