[Linux-HA] Redundant Rings "Still Not There?"
pavlos.parissis at gmail.com
Wed Oct 27 23:30:15 MDT 2010
On 24 October 2010 22:09, Robinson, Eric <eric.robinson at psmnv.com> wrote:
> >> 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?
I have a 3-node cluster with heartbeat and works fine.
Here is my ha.cf to get an idea
root at node-01 ~]# cat /etc/ha.d/ha.cf
mcast eth0 220.127.116.11 694 1 0
apiauth stonith-ng uid=root
As you can see there is nothing special for building 3-node cluster.
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