a customer needed to restart two old nodes cluster from VIOS Shared Storage Pool, but the second node never join the cluster. and storage pool was only active on first node.
The vty console display error : 0967-043 This node is currently not a member of any cluster.
I check console log and one line has oriented my diagnostic.
# alog -ot console
0 Fri Nov 25 15:59:08 CET 2016 0967-112 Subsystem not configured.
0 Fri Nov 25 16:01:07 CET 2016 0967-043 This node is currently not a member of any cluster.
0 Fri Nov 25 16:03:10 CET 2016 0967-043 This node is currently not a member of any cluster.
0 Fri Nov 25 16:03:17 CET 2016 JVMJ9VM090I Slow response to network query (150 secs), check your IP DNS configuration
I check /etc/resolv.conf and found that the DNS entry was not reachable. I change DNS entry with first node DNS configuration, restart second node and it join the cluster normally.