[Pacemaker] How pacemaker handle split brain

[Javen Wu]

2009/12/16 Andrew Beekhof <andrew at beekhof.net>

> On Wed, Dec 16, 2009 at 2:24 AM, Javen Wu <wu.javen at gmail.com> wrote:
> > Hi Folks,
> >
> > I have a question on pacemaker split brain. Once a cluster is partationed
> > due to the network problem. If my understanding on the code is correct,
> two
> > subcluster all have their private DC regardless who holds the quorum.
> > So how the quorum winner subcluster take control of the whole cluster and
> > fence the other partation? I didn't see the election algorithm introduce
> the
> > concept of quorum.
> >
> > Could you answer me?
>
> As per the conversation on IRC, DC election has nothing to do with quorum.
> But only the DC that also has quorum is able to fence the unseen nodes
> and run resources.
>
> Yes. You already answered my question on IRC. Actually, the email is sent
before I met you ion IRC ;)

Thank you

Javen

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-- 
Javen Wu
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