Members of a cluster are showing different "Member status" in clustat output on RHEL 5 or RHEL 6

Solution Unverified - Updated -

Issue

  • Cluster appears to be hung when a cluster node was evicted from the cluster.
  • GFS1/GFS2 filesystem are blocked after a cluster node was evicted from the cluster.
  • Members of a cluster are showing different "Member status" after a cluster node was evicted:
$ clustat 
Cluster Status for GFS2 @ Tue Jul 30 11:07:04 2013
Member Status: Quorate

 Member Name      ID   Status
 ------ ----      ---- ------
 node1            1    Offline
 node2            2    Online, Local
 node3            3    Online
 node4            4    Online
 /dev/emcpowerh1  0    Online, Quorum Disk


$ clustat
Cluster Status for GFS2 @ Tue Jul 30 11:06:38 2013
Member Status: Inquorate

 Member Name      ID   Status
 ------ ----      ---- ------
 node1            1    Offline
 node2            2    Online
 node3            3    Online, Local
 node4            4    Online

Environment

  • Red Hat Cluster Suite 4+ and Red Hat GFS 6.1
  • Red Hat Enterprise Linux Server 5 (with the High Availability and Resilient Storage Add Ons)
  • Red Hat Enterprise Linux Server 6 (with the High Availability and Resilient Storage Add Ons)
  • qdiskd (quorum disk on each cluster node)

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