[Linux-HA] Redundant Rings "Still Not There?"

Robinson, Eric eric.robinson at psmnv.com
Sun Oct 24 14:09:23 MDT 2010

>> But now could someone please elaborate on Dejan Muhamedagic's
>> comment that started the thread? What does "redundant rings are still

>> not there" mean? Is a three-node cluster an unreliable setup because 
>> Corosync and/or Pacemaker are not really ready for that?

>not Pacemaker - Corosync. I agree with Dejan. I also use Heartbeat for
clusters communication layer.

So you use Heartbeat+Pacemaker instead of Corosync+Pacemaker? How does
Heartbeat handle 3-node clusters? Does it use the same "ring" metaphor
and switches for cluster communication?

Eric Robinson

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