[Pacemaker] trigger STONITH for testing purposes

[Bob Haxo]

Greetings,

I liked the idea of not starting the cluster at boot, and found that the
fenced node would reboot and then openais start brought the node onboard
without triggering a reboot of the already running node.

Then magic happened.  I chkconfig'd openais to start with boot, re-ran
the "ifdown eth0" command that had been triggering STONITH and then the
STONITH deathmarch, and, well, everything worked.  I've done this test
many 10s of times without a STONITH deathmarch.

Unfortunately, I haven't a clue as to what was changed that cleared the
issue.

Thanks for all the suggestions.

Cheers,
Bob Haxo


On Tue, 2009-05-19 at 14:03 +0200, Andrew Beekhof wrote:

> On Mon, May 18, 2009 at 8:12 PM, Bob Haxo <bhaxo at sgi.com> wrote:
> >
> > Any suggestions as to what needs changing so that the stonith deathmarch can
> > be avoided?
> 
> If you only have two nodes, the only two ways have already discussed:
> use poweroff, or don't start the cluster at boot.
> If you don't want to do either of those, the only way to terminate the
> stonith loop is to fix the network failure.
> 
> If you had 3 or more nodes, the returning node wouldn't have quorum
> and therefore wouldn't be allowed to shoot anyone.
> 
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