Some cluster components cannot start properly with redundant ring configured in RHEL 6

Solution Unverified - Updated -

Issue

  • Why was a node, after having its cluster services started and join the cluster domain successfully, not able to have the DLM be configured when using a redundant ring configuration?
Oct 18 08:49:58 node1 dlm_controld[43574]: dlm_join_lockspace no fence domain
Oct 18 08:49:58 node1 dlm_controld[43574]: process_uevent online@ error -1 errno 17
Oct 18 08:49:59 node1 kernel: dlm: clvmd: group join failed -1 -1
Oct 18 08:49:59 node1 clvmd: Unable to create DLM lockspace for CLVM: Operation not permitted
Oct 18 08:49:59 node1 kernel: dlm: Using SCTP for communications
Oct 18 08:49:59 node1 dlm_controld[43574]: dlm_join_lockspace no fence domain
Oct 18 08:49:59 node1 dlm_controld[43574]: process_uevent online@ error -1 errno 17
Oct 18 08:49:59 node1 kernel: dlm: rgmanager: group join failed -1 -1
  • fenced, rgmanager, GFS2, clvmd, and/or rgmanager do not start or function properly when using dlm with SCTP

Environment

  • Red Hat Enterprise Linux (RHEL) 6 with the High Availability or Resilient Storage Add On
  • Redundant ring protocol(RRP) is configured in /etc/cluster/cluster.conf, via the <altname> tag.

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