> > Hi all,
>  >
>  > I am setting up a simple HA cluster for mysql database (active/passive
>  > with DRBD).
>  > My 2 servers will have a direct network link (bonded) for DRBD
>  > replication and heartbeat communication.
>  > For database access and 2nd heartbeat communication path, network
>  > links will also be redunded, toward 2 different switches.
>  >
>  > My question is: If I set up 2 communications path for heartbeat and
>  > use dopd, do I need to deploy fencing?
>  >
>
> The propability of a split-brain case with redundant heartbeat is of course
>  lower than with one link. But the propability is NOT zero. You have to decide
>  if you can live with that risk.
>
>
Thank you  for your answer. I think I will live with this risk, given
that my cluster is not designed to support dual failures.

By the way, I am sorry for having posted the message several times, I
thought messages were not received.

Geoff.
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