On Fri, Jan 19, 2018 at 04:52:40PM -0600, Ken Gaillot wrote:
> Your constraints are:
>
> place IP then place drbd instance(s) with it
> start IP then start drbd instance(s)
>
> place drbd master then place fs with it
> promote drbd master then start fs
>
> I'm guessing you meant to colocate the drbd *master* with the IP, and
> "start IP then promote drbd" -- otherwise you can never have more than
> one drbd instance. That doesn't have any relevance to the problem,
> though.
In the real config, it would be a "stacked" DRBD setup,
which only has one instance (per "site").
> I also see you have clone-max="1". Interestingly, if we set this to
> "2", it now restarts the fs, but it only promotes drbd (which is
> already master).
>
> > Is (was?) this a pengine bug?
>
> Definitely. :-(
>
> I confirmed the behavior on Pacemaker 1.1.12 as well, so it's not
> something new. This will require further investigation.
:-(
Let me know if I can help somehow.
Workaround available, though it's non-obvious
(add the "stupid" constraint).
I think it also works ok with the "equivalent" resource set contraints.
Cheers,
Lars
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