Corosync showing same Node ID if we start multiple mrg broker service .

Solution Verified - Updated -

Issue

  • Corosync showing same Node ID if we start multiple mrg broker service .

  • The Corosync man page says that the node id is a function of the interface IP.  When running three brokers on the same machine, Corosync shows the same node id for all three brokers. Will Corosync work correctly event when the brokers do not have unique node ids ?.

[root@xxx bin]# corosync-cpgtool
Group Name             PID         Node ID
logging_test
                      4197      1694607552 (192.168.1.101)
                      5119      1694607552 (192.168.1.101)
                      4331      1694607552 (192.168.1.101)

Environment

  • Red Hat Enterprise Linux 6
  • MRG Messaging 2.1

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