R: [Linux-cluster] RHEL5 clvmd hangs only after a node crashes...

[Mikko Partio]

On 10/19/07, David Teigland <teigland at redhat.com> wrote:
>
> On Thu, Oct 18, 2007 at 08:05:02PM +0200, tam_annie at alice.it wrote:
>
> > So, without qdisk my cluster just behaves exactly as I ever wanted! So
> > is qdisk evil?  However, please, be so kind to explain this strange
> > behavor to me, that's really a _MYSTERY_: Isn't the qdisk a tie-breaker
> > useful especially in two node clusters and if one needs to decide
> > cluster membership also on the basis of exogenous heuristics (like
> > network connectivity as in my case, see RedHat Cluster FAQ)?  Shouldn't
> > the qdisk allow one to build a more robust cluster against split-brain
> > conditions?  Why does my cluster behave good only if I avoid using
> > qdisk?  Have I really no more chance to use a quorum disk in my cluster
> > architecture?  If it can help, I'd like to tell you that when I start my
> > cluster with qdisk enabled, both nodes wait for each other on "Starting
> > fencing..." before going on in the boot sequence: no node can boot alone
> > while the other one is down.  That doesn't happen when I don't use
> > qdisk, as you told me.  Again, thank you very very much indeed!
>
> qdisk doesn't work well in RHEL5.0; I'm told it will work in 5.1
>
> Dave



Is there a date set for the release?

M
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