How can I diagnose cluster fencing failing with "agent '<agent>' reports: Unable to connect/login to fencing device" in RHEL 5 or 6
Issue
- Fencing fails with "Unable to connect/login to fencing device" either in
/var/log/messages
or on the command line
Jun 22 15:08:33 node01 fenced[18278]: agent "fence_wti" reports: Unable to connect/login to fencing device
Jun 22 15:08:33 node01 fenced[18278]: fence "node02" failed
Environment
- Red Hat Enterprise Linux (RHEL) 5 or 6
- Applicable to a number of different fence agents
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