[Pacemaker] BUG: is-managed="true" moves resources around

Andrew Beekhof andrew at beekhof.net
Wed Dec 16 10:21:02 UTC 2009


On Tue, Dec 15, 2009 at 5:37 PM, Rasto Levrinc <rasto.levrinc at linbit.com> wrote:
> Hi Beekhof,
>
> I've found again a Pacemaker bug or I am doing again something wrong. :)
>
> So I have a group with two dummy resources that are both unmanaged but
> running. The group has colocation constraint with score -INFINITY with the
> third dummy resource. The group resources are running on one node and the
> third dummy resource on the other.
>
> So far so good.
>
> Now I set the first resource in the group to be managed by pacemaker and
> all managed resources decide to move to the opposite nodes. This I would
> not expect. Resource stickiness is set. If I reverse the colocation
> constraint (exchange "rsc" and "with-rsc") it works ok.

is-managed doesn't cause the move, it just allows pacemaker to perform it.
the real issue is the constraint.

Seems like you might have found a bug in the way the scores are merged
for groups.




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