[ClusterLabs] Corosync do not send traffic

Roberto Munoz Gomez roberto.munoz.gomez at diagroup.com
Wed Mar 30 05:14:02 EDT 2016


Due to a change in the switch in one of the datacenters now I have an odd
behaviour in the cluster.

I am using cman with corosync and pacemaker. The versions are:


The problem is, when I launch /etc/init.d/pacemaker start and the cman_tool
launch corosync, I don't see any UDP traffic, so the cluster is "broken"

But if I launch manually the same command "corosync -f" I do see udp
traffic and the totem is correctly sent between nodes.

It all began with the change in the switch, but I set the tcpdump in the
hosts and I do not see traffic.

I have tried the multicast and unicast configuration, different network,
but all with the same behaviour.

What am I missing?

Best Regards

*Roberto Muñoz Gómez*

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