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Re: [Linux-cluster] CS4 have a splitt-brain-problem in 2-node setup



On Tue, 2006-05-23 at 12:21 -0400, Lon Hohberger wrote:
> On Mon, 2006-05-22 at 11:57 +0200, Falk Hackenberger - MediaTransfer AG
> Netresearch & Consulting wrote:
> > Hello,
> > 
> > I try to use the CS4 for managing a 2-node-cluster.
> > also i have a working fenicing-device (apc-powerswitch).
> > I think I have found a design-error in the CS4.
> > 
> > If you boot up one node(1) and this node(1) cant reach the other node(2)
> > node(1) trys to fence node(2).
> > This is fine...
> > but if the fencing fails, node(1)
> > starts his services via rgmanager without to be shure that the other
> > node is not working.
> > volia and you have a splitt-brain problem.
> 
> > any solution for this?
> 
> rgmanager should not start services unless the node is quorate.  The
> cluster should not ever become quorate if fencing fails.  Sounds like a
> bug.

Wait, fencing fails or fenced fails to start?

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