Does cman need to have the time of cluster nodes in sync?

Solution Verified - Updated -

Issue

  • Does cman need to have the time of cluster nodes in sync?
  • Does cman allows changing the time of the cluster node manually?
  • Sudden synchronization/resetting of time causes cluster fencing or rgmanager service in stale state.

Environment

  • Red Hat Enterprise Linux 5 Advanced Platform
  • cman
  • openais
  • ntpd

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