Why fence_cisco_ucs is not able to turn ON the hypervisor in RHEV

Solution Verified - Updated -

Issue

  • RHEV is not able to turn on the hypervisor using fence agent cisco_ucs
  • vdsm logs in the proxy host was showing below error.
2016-07-07 10:50:16,563 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (org.ovirt.thread.pool-6-thread-23) [3655e0a4] FINISH, FenceVdsVDSCommand, return: FenceOperationResult:{status='ERROR', powerStatus='UNKNOWN', message='[Failed: Timed out waiting to power ON, , ]'}, log id: 240f3885 ====
  • Manually running the fence_cisco_ucs gives the same error. The issue was happening intermittently.

Environment

  • Red Hat Enterprise Virtualization 3.6
  • Cisco UCS hardware

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