[DRBD-user] DRBD 9 Primary-Secondary, Pacemaker, and STONITH

[Bryan K. Walton]

On Wed, Nov 14, 2018 at 12:58:49PM +1100, Igor Cicimov wrote:
> > I don't understand this.  If the power fails to a node, then won't the
> > node, by definition be down (since there is no power going to the node)?
> > So, how then could there be a split brain when one node has no power?
> 
> And how is the other node suppose to know that it's peer crashed due
> to power failure? From it's stand point the node disappeared and it
> has to attempt to STONITH. Now, if the STONITH device on the other
> side gets it's power via the same supply as the server then STONITH is
> not possible because the stonith device itself will be powered down
> too. You see the problem now?

Thank you for this clarification, Igor.

-Bryan