[Pacemaker] Configuring 3rd Node as Quorum Node in 2 Node Cluster

[Andreas Kurz]

On 01/23/2012 03:36 PM, Andrew Martin wrote:
> I think I will configure the 3rd (quorum) node in standby mode. In the
> near future I am looking into setting up 2 additional clusters (each of
> these are also 2-node clusters) and would like to use this same server
> as the quorum node for those clusters as well. Is this possible? If so,
> how do I have to configure heartbeat (or multiple instances of
> heartbeat) to join multiple clusters at once and act as the quorum node
> in each?

No, multiple heartbeat instances per node are not supported ... but why
not creating minimal VM instances ... though not to minimal, as you have
a good chance that theses standby instances become DC role.

Regards,
Andreas

-- 
Need help with Pacemaker?
http://www.hastexo.com/now

> 
> Thanks,
> 
> Andrew
> 
> ------------------------------------------------------------------------
> *From: *"Andreas Kurz" <andreas at hastexo.com>
> *To: *pacemaker at oss.clusterlabs.org
> *Sent: *Friday, January 13, 2012 6:35:48 AM
> *Subject: *Re: [Pacemaker] Configuring 3rd Node as Quorum Node in 2
> Node        Cluster
> 
> On 01/13/2012 12:32 PM, Ivan Savčić | Epix wrote:
>> On 1/11/2012 8:28 AM, Florian Haas wrote:
>>> Another option would be to permanently run the 3rd node in standby mode.
>>
>> Just wondering, wouldn't the standby mode prevent that node from
>> performing the fencing actions? Also, can it act as DC then?
> 
> It would run no resources (including stonith resources) but can be the DC.
> 
> Another option for running a "pure" quorum node would be to only start
> CCM but not pacemaker ... though that setup looks quite strange e.g. in
> crm_mon output ....
> 
> Regards,
> Andreas
> 
> -- 
> Need help with Pacemaker?
> http://www.hastexo.com/now
> 
>>
>> Thanks,
>> Ivan
>>
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> 
> 
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