[Pacemaker] Breaking pacemaker

Dejan Muhamedagic dejanmm at fastmail.fm
Tue Feb 16 09:52:17 EST 2010


Hi,

On Tue, Feb 16, 2010 at 03:04:26PM +0100, jimbob palmer wrote:
> 2010/2/16 Dominik Klein <dk at in-telegence.net>:
> > jimbob palmer wrote:
> >> Hello,
> >>
> >> I have a cluster that is all working perfectly. Time to break it.
> >>
> >> This is a two node master/slave cluster with drbd. Failover between
> >> the nodes works backwards and forwards. Everything is happier than a
> >> well fed cat.
> >>
> >> I wanted to see what would happen if the drbd device couldn't be
> >> mounted, so on the slave node I deleted the mountpoint, then failed
> >> over.
> >>
> >> Oh dear. I broke things so badly that I had to fail back, shutdown
> >> corosync on the slave, delete the config files, and start it again.
> >> Since that's not the right way to do it, I thought I should ask the
> >> list for the right way.
> >
> > A "cleanup" for the resource/node pair should have done it.
> >
> > Regards
> > Dominik
> 
> Aha! That did it - thanks!
> 
> One thing I don't understand is why if everything works on one node,
> and not another (because I deleted the mount point) - why don't all
> resources get moved back to the other node?

The logs and pe input files should tell. Perhaps it failed there
too. You can use hb_report to create a report and investigate or
post here.

Thanks,

Dejan


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