Cluster Nodes lose contact with each other after duplicate IP addresses are found on a network.

Solution Unverified - Updated -

Issue

  • Nodes report "A processor failed, forming new configuration" at the same time and the cluster goes offline.
  • Duplicate IP addresses that correspond with cluster node IP addresses are found on the network

Environment

  • Red Hat Enterprise Linux (RHEL) 7 with the High Availability Add-On

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