Why did a cluster service using a failoverdomain with nofailback="0" relocate to another node when it joined the cluster in RHEL?

Solution Verified - Updated -

Issue

  • When a node joined the cluster, a service relocated to it
  • When I started rgmanager on a node without issuing any other commands, the service "recovered".

Environment

  • Red Hat Enterprise Linux (RHEL) 5 or 6 with the High Availability Add On
  • Red Hat Cluster Suite (RHCS) 4
  • rgmanager
  • A service using a failoverdomain with nofailback="0" (or nofailback unset), orderered="1", and nodes with different priority scores, such as:
            <failoverdomain name="prefer-node1" nofailback="0" ordered="1" restricted="1">
                <failoverdomainnode name="node1" priority="1"/>
                <failoverdomainnode name="node2" priority="2"/>
            </failoverdomain>

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