dlm_recvd using over 90% of CPU on cluster node with GFS1 filesystem

Solution Unverified - Updated -

Issue

  • dlm_recvd is using the vast majority of the CPU on a cluster node
  • Node was running quite poorly in this state and required manual shutdown
  • Manual shutdown hung /  took too long and was fenced

Environment

  • Red Hat Cluster Suite 4+ and Red Hat GFS 6.1
  • Red Hat Enterprise Linux Server 5 (with Resilient Storage Add Ons)
  • Red Hat Cluster Suite cluster with 2 or more nodes
  • Global File System(GFS1)

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