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

[emmanuel segura]

Hello GouNiNi

Don't use expected votes directive let the cluster calculate that, if you
wanna a cluster it's remain quorate with two nodes + quorum disk, the
quorum votes must be 2 votes

all votes = 6 : 6 - 2 = 4 and the resoult it's more then half

Sorry for my english, i hope the idea it's clear for you

2012/7/30 GouNiNi <gounini.geekarea at gmail.com>

> 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,
>
> --
>   .`'`.   GouNiNi
>  :  ': :
>  `. ` .`  GNU/Linux
>    `'`    http://www.geekarea.fr
>
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