RHEL 5 or 6 High Availability cluster with high post_fail_delay doesn't fence a node after it has left

Solution In Progress - Updated -

Issue

  • The other nodes observed token loss from one node, another node deferred fencing to the lowest node, however we don't see a fence attempt made there.
  • I see a "processor failed" from corosync, but it doesn't fence, rgmanager never takes over any resources, and then the node eventually rejoins the cluster and everything starts working again.

Environment

  • Red Hat Enterprise Linux (RHEL) 6 with the High Availability Add On
  • <fence_daemon post_fail_delay/> in /etc/cluster/cluster.conf is set to a high value

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