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Re: [Linux-cluster] How to disable node?


On Tue, 1 Sep 2009 11:26:48 +0200, Jakov Sosic wrote
> On Mon, 31 Aug 2009 23:26:06 +0200
> "Marc - A. Dahlhaus" <mad wol de> wrote:
> > I think your so called 'limitation' is more related to mistakes that
> > was made during the planing phase of your cluster setup than to
> > missing functionality.
> Yeah, and what can be that mistake? I'll feel free to quote John:
> > The best course of action to take would be to remove that missing
> > node from your cluster configuration using conga,
> > system-config-cluster, or by hand
> > editing /etc/cluster/cluster.conf.  As long as it exists in the
> > configuration then the other nodes will expect it to join the
> > cluster, and they will attempt to fence it when they try to join the
> > cluster and see it is not present.
> Where's the issue with my config there? It seems to be an issue with
> RHCS misbehaving with one fence device missing.

it is not just 'one fence device missing' it is the only fence device that
could fence that node, so if you add fence manual as a last resort, you will
be able to bring back your cluster to live in such cases

> > Please take a look at the qdisk manpage and aditionaly to the cman
> > faq sections about tiebraker, qdisks and especially the last man
> > standing setup...
> qdisk already set up. I never said I lost quorum. I have quorum. But
> without one node missing completely, with it's fence device, rgmanager
> just doesn't start up the services, and is not listed in clustat. I
> repeat, I HAVE GAINED QUORUM, and I have qdisk for the case two out of
> three are out.
> -- 
> |    Jakov Sosic    |    ICQ: 28410271    |   PGP: 0x965CAE2D   |
> =================================================================
> | start fighting cancer -> http://www.worldcommunitygrid.org/   |
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