[Pacemaker] Stonith / Fencing

Andrew Beekhof andrew at beekhof.net
Thu Sep 29 07:13:08 UTC 2011


On Wed, Sep 28, 2011 at 5:52 PM, Fiorenza Meini <fmeini at esseweb.eu> wrote:
> Hi there,
> I'm working on stonith on my test cluster. It has, to me, a strange
> behaviour: when the condition to fence the other node happens, is it normal
> that both primary/secondary node fences the other one? I thought that the
> primary should fence the secondary, as it is the master at drbd level...

Right, but its not the drbd level that initiates fencing so it can't
take that into account.
Tim has a good write-up on this: http://ourobengr.com/ha

> but
> really the behaviour is different: sometimes is the master to kill the
> secondary, and sometimes is the secondary to kill the master....even if I
> specified in the configuration, that the stonith primitive has to run only
> on the master node.
>
> Thanks and regards
> --
>
> Fiorenza Meini
> Spazio Web S.r.l.
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