Occasionally, you may see errors similar to this in your system logs:

corosync [TOTEM ] Retransmit List: e4 e5 e7 e8 ea eb ed ee

Here’s what causes them, and what you can do to fix the issue.

Corosync, more specifically its Totem protocol implementation, defines a maximum number of …

It’s simple and easy to get Pacemaker’s view of the status of members in a cluster – just invoke crm_mon. But what if you want to check on the cluster membership when Pacemaker is not running, or you want to make sure whether Corosync’s view of the cluster …