Cluster node is rebooted by qdiskd after ping heuristic fails tko times in RHEL

Solution Verified - Updated -

Issue

  • Cluster heuristic program ping sometimes fails and this causes the node to reboot
Dec 20 15:24:25 node1 qdiskd[8279]: <info> Heuristic: 'ping -c 1 -w 1 10.192.12.1' DOWN (10/10)
Dec 20 15:24:27 node1 qdiskd[8279]: <notice> Score insufficient for master operation (0/10; required=3); downgrading
  • Host rebooted seeing ping errors in syslog.

Environment

  • Red Hat Enterprise Linux (RHEL) 5 or 6 with the High Availability Add On
  • Configuration contains a quorum device and ping heuristic
    • NOTE: This solution does not cover situations in which the ping heuristic is timing out rather than failing. If the failure in question is from a heuristic timeout, this alternative solution may correct the problem.

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