How can I diagnose fence_ipmilan failures in RHEL 5, 6, or 7?

Solution Verified - Updated -

Issue

  • fence_ipmilan fencing fails when a node goes missing
  • A node is leaving the cluster and another node attempts to fence it with fence_ipmilan, but fails.
Jul 23 15:45:28 node2 fenced[12831]: fencing node node1
Jul 23 15:45:28 node2 fenced[12831]: fence node1 dev 0.0 agent fence_ipmilan result: error from agent
Jul 23 15:45:28 node2 fenced[12831]: fence node1 failed
Jul 23 15:45:28 node2 fenced[12831]: fence node1 dev 0.0 agent fence_ipmilan result: error from agent
Jul 23 15:45:28 node2 fenced[12831]: fence node1 failed
  • How can I diagnose failures to fence a node with fence_ipmilan?

Environment

  • Red Hat Enterprise Linux (RHEL) 5, 6, or 7 with the High Availability Add On
  • One or more cluster nodes with hardware that supports IPMI power management via fence_ipmilan

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