[Linux-cluster] two node cluster partition

[Rajeev P]

Thanks for the link. It was quite explantory !!

On 2/26/09, Flavio Junior <billpp at gmail.com> wrote:
>
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> Here (whole page):
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> http://sources.redhat.com/cluster/wiki/FAQ/CMAN#two_node_dual
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> And the entire FAQ is really explantory.
>
> - --
>
> Flávio do Carmo Júnior aka waKKu
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> 2009/2/23 Rajeev P <rajpurush at gmail.com>:
> > Hi,
> >
> > I have question regarding a network partition in a 2 node cluster.
> >
> > Consider a 2-node cluster (node1 and node2) setup with a cross-cable for
> > heartbeat and setup to use HP iLO as the fencing mechasim. In the event
> of
> > network partition (and this case assume that the cross cable was pulled
> out)
> > one of the node's succeed in fencing the other. The question is, when the
> > fenced node on rebooting would it attempt fence the existing node if
> > it can't communicate with it (since the heartbeat network is still down).
> >
> > For example consider that in the event of n/w partition, node1 fences
> node2.
> > Would node2 on rebooting  (can't communicate with node1) would attempt to
> > fence node1 and form a 1-node cluster.
> >
> > If yes, can this infinite fencing loop be prevented in 2-node with the
> use
> > of a qdisk which denies quorum to node rebooting?
> >
> > Regards,
> > Rajeev
> > --
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> > Linux-cluster at redhat.com
> > https://www.redhat.com/mailman/listinfo/linux-cluster
> >
>
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