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



But if you do it that way, and you really have a netsplit, won't you get
into a "quickdraw" situation where each of the newly formed clusters are
trying to fence out the others?  In the worst case, all the nodes get
reset and nobody is happy.  But maybe the worst case happens so
infrequently that it is better than always losing the cluster whenever
quorum is lost.

But then again, from any one node's perspective, how often do multiple
nodes drop out of a cluster at the same time and the problem is not
either a netsplit or a glitch on the local node?

Just pondering...

-steve

-----Original Message-----
From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com] On Behalf Of Michael Conrad
Tadpol Tilstra
Sent: Tuesday, August 03, 2004 11:45 AM
To: Discussion of clustering software components including GFS
Subject: Re: [Linux-cluster] GFS 6.0 node without quorum tries to fence


In a lights out setup. (no user required to keep things running) 2 of
three nodes go AWOL.  One node now needs to reset (NPS fencing) the
other two, without quorum, to keep things running.





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