[Linux-cluster] Quorum device brain the cluster when master lose network

Digimer lists at alteeve.ca
Mon Jul 30 15:10:10 UTC 2012


On 07/30/2012 10:43 AM, GouNiNi wrote:
> Hello,
>
> I did some tests on 4 nodes cluster with quorum device and I find a bad situation with one test, so I need your knowledges to correct my configuration.
>
> Configuation:
> 4 nodes, all vote for 1
> quorum device vote for 1 (to hold services with minimum 2 nodes up)
> cman expected votes 5
>
> Situation:
> I shut down network on 2 nodes, one of them is master.
>
> Observation:
> Fencing of one node (the master)... Quorum device Offline, Quorum disolved ! Services stopped.
> Fenced node reboot, cluster is quorate, 2nd offline node is fenced. Services restart.
> 2nd node offline reboot.
>
> My cluster is not quorate for 8 min (very long hardware boot :-) and my services were offline.
>
> Do you know how to prevent this situation?
>
> Regards,

Please tell us the name and version of the cluster software you are 
using, Please also share your configuration file(s).

-- 
Digimer
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