[Linux-HA] Quorum problem with 3-node cluster

[Dejan Muhamedagic]

Hi,

On Thu, Oct 01, 2009 at 04:45:45PM +0200, Mark Hunting wrote:
> Sorry for not mentioning I use Heartbeat 2.1.3 from the Debian Lenny
> repository, in crm configuration.
> 
> Mark Hunting wrote:
> > Hi,
> >
> > I have set up a 3-node cluster. Works perfectly, but when I shut one
> > node down the other two lose quorum, and shut down their resources (!)
> > because no-quorum-policy is set to 'stop' like it should.
> > I have no idea why the quorum is lost, this really should not happen as
> > the remaining two nodes are still the majority. crm_mon shows them
> > online and they can talk to each other. Only the quorum is lost,
> > have_quorum is "false" until the third node comes up again.
> > Can anybody tell me how this is possible, or give me some command that
> > can help me investigate this?

ccm_tool (or similar, can't recall the name exactly) can show you
what a node thinks its partition looks like. Otherwise, look at
the ccm lines in the logs, though they may be really hard to
figure out.

Thanks,

Dejan

> > Thanks,
> > Mark
> > _______________________________________________
> > Linux-HA mailing list
> > Linux-HA at lists.linux-ha.org
> > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > See also: http://linux-ha.org/ReportingProblems
> >   
> _______________________________________________
> Linux-HA mailing list
> Linux-HA at lists.linux-ha.org
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems