Why does always second cluster node fences first cluster node in Red Hat Cluster Suite 4?

Solution Unverified - Updated -

Issue

  • Two node cluster setup. Second cluster node fences first cluster node everytime.

  • Node1 logs 'ora-xx-x1 kernel: CMAN: Being told to leave the cluster by node 2'

  • Node2 logs  'kernel BUG at /builddir/build/BUILD/gfs-kernel-2.6.9-75/smp/src/dlm/lock.c:432!'
  • /var/log/messages on second node does not have sufficient information.

Environment

  • Red Hat Enterprise Linux 4.6
  • Red Hat Cluster Suite

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