fence_cisco_ucs fails with ' Unable to connect/login to fencing device' in RHEL cluster

Solution Verified - Updated -

Issue

  • fence_cisco_ucs fails with "Unable to connect/login to fencing device"
  • Cluster node configured with fence_cisco_ucs fails to be fenced, showing "error from agent" in fenced.log
  • Unable to fence UCS as it require secure connection

Environment

  • Red Hat Enterprise Linux (RHEL) 5, 6, or 7 with the High Availability Add On
  • Cisco UCS Servers using the UCS fence device (fence_cisco_ucs) for fencing/stonith

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