What's a Totem "Retransmit List" all about in Corosync?

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 cluster …

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Checking Corosync cluster membership

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 is identical to …

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