A node was fenced after "A processor failed, forming new configuration" in a RHEL 6 or 7 High Availability cluster
Issue
- What does the message "A processor failed, forming new configuration." from corosync mean on a RHEL 6/7 cluster node?
May 7 18:37:11 node2 corosync[12718]: [TOTEM ] A processor failed, forming new configuration.
May 7 18:37:23 node2 corosync[12718]: [QUORUM] Members[2]: 2 3
May 7 18:37:23 node2 corosync[12718]: [TOTEM ] A processor joined or left the membership and a new membership was formed.
- Why was a cluster node fenced after "a processor failed" was reported by other nodes?
- How can I troubleshoot what caused a node to fail in my cluster?
- Why was my cluster node fenced?
- Cluster node communication problem.
- Root Cause of cluster communication issue.
- Cluster node fenced need RCA.
- My cluster experienced a token loss and fencing
Environment
- Red Hat Enterprise Linux (RHEL) 6 or 7 with the High Availability Add On
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