What is master_wins mode with a quorum device in RHEL 5 or 6 High Availability clusters?

Solution Verified - Updated -

Issue

  • What is master_wins mode in a cluster with a quorum device qdiskd?
  • Why do both nodes in a 2 node cluster fence themselves when the cluster communication network goes down?

Environment

  • Red Hat Enterprise Linux (RHEL) with the High Availability Add On
  • Two node cluster
  • Cluster configured with a quorum device to prevent fence races

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