Clustered service with nfsexport or nfsserver but without nfsclient cannot be stopped despite having force_unmount set in RHEL 6

Solution Verified - Updated -

Issue

  • fs resource in cluster service with nfsexport fails to stop
  • Despite having fource_unmount set to 1 a filesystem cannot be unmounted to allow a service to fail over.
Aug  6 04:11:03 node1 rgmanager[4707]: stop on fs "fs-ext4" returned 2 (invalid argument(s))
Aug  6 04:11:04 node1 rgmanager[4707]: #12: RG service:nfsservice failed to stop; intervention required
Aug  6 04:11:04 node1 rgmanager[4707]: Service service:nfsservice is failed

Environment

  • Red Hat Enterprise Linux (RHEL) 6 with the High Availability Add On
  • Cluster service in /etc/cluster/cluster.conf:
    • Contains fs or clusterfs resource
    • Contains nfsexport or nfsserver
    • No nfsclient resource
    • Entry for this file system in /etc/exports
    • If any of the above does not match this environment, see this solution

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