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Re: [Linux-cluster] GFS 6.0 node without quorum tries to fence

On Tue, Aug 03, 2004 at 12:58:12PM -0500, Michael Conrad Tadpol Tilstra wrote:
> On Tue, Aug 03, 2004 at 09:22:59AM -0700, Steve Landherr wrote:
> > In a netsplit, what does fencing achieve when done by a node that
> > doesn't have quorum?  It still won't have quorum.  It should probably
> > just clean up as best it can and leave the rest of the cluster alone.
> Think of the world as the nodes see it, not as you see it.  You cannot
> tell if it is a netsplit or truely nodes dieing.  It looks the same.

Or in other words, if 2 of 3 nodes go AWOL, do you really want your cluster
to stop until someone comes in an manually starts things up again -
especially if in the meantime, the 2 bad nodes can write to the disks?  The
fact that a single node can kill of the other nodes is a good thing!

AJ Lewis                                   Voice:  612-638-0500
Red Hat Inc.                               E-Mail: alewis redhat com
720 Washington Ave. SE, Suite 200
Minneapolis, MN 55414

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