1. Find the name of the cluster domain name using
command lsrpdomain
[root@db2node01 ~]# lsrpdomain
Name OpState RSCTActiveVersion MixedVersions
TSPort GSPort
TestHA Online 3.3.1.2
No 12347 12348
2. Disable critical resource protection (run as root from
any host in the domain)
[root@db2node01 ~]# export CT_MANAGEMENT_SCOPE=2
[root@db2node01 ~]# chrsrc -c IBM.PeerNode
CritRsrcProtMethod=5
3. Remove the domain by force (run as root from any host in the
domain), use domain name from step 1.
[root@db2node01 ~]# rmrpdomain -f <Domain Name>
4. Check/validate domain cleanup using command lsrpdomain