Quorum disk daemon qdiskd fails to start with "Unable to match label to any device" in a RHEL 5 or 6 High Availability cluster

Solution In Progress - Updated -

Issue

  • qdiskd won't start. The following error is seen in /var/log/messages
qdiskd[4452]: <crit> Unable to match label 'qdisk' to any device

Environment

  • Red Hat Enterprise Linux (RHEL) 5 or 6 with the High Availability Add On
  • Cluster configured to use a quorum device (<quorumd/> in /etc/cluster/cluster.conf)

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