[Linux-HA] Question regarding constraint sets

Andrew Beekhof andrew at beekhof.net
Mon Jul 13 08:23:31 MDT 2009


On Tue, Jul 7, 2009 at 9:14 PM, Michael Schwartzkopff<misch at multinet.de> wrote:
> Hi,
>
> In the "configuration explained" I read about the new resource sets within
> constraints. I wanted to try it and configured three dummy resources:
>
> <primitive class="ocf" id="resDummy1" provider="pacemaker" type="Dummy"/>
> <primitive class="ocf" id="resDummy2" provider="pacemaker" type="Dummy"/>
> <primitive class="ocf" id="resDummy3" provider="pacemaker" type="Dummy"/>
>
> According to the doc I created the following colocation constratins:
> <rsc_colocation id="totalOrder">
>  <resource_set id="orderBeispiel" sequential="true">
>    <resource_ref id="resDummy1"/>
>    <resource_ref id="resDummy2"/>
>    <resource_ref id="resDummy3"/>
>  </resource_set>
> </rsc_colocation>
>
> As far as I understood the doc resDummy2 and 3 cannot be startet when
> resDummy1 is stopped.

Right concept, wrong order.  Its the other way around.
Did the docs not explain this?

> But when I stop resDummy1 crm_resource -L gives me:
>
> # crm_resource -L
> resDummy1       (ocf::pacemaker:Dummy) Stopped
> resDummy2       (ocf::pacemaker:Dummy) Started
> resDummy3       (ocf::pacemaker:Dummy) Started
>
> Do I have a problem understanding the doc? Is the doc wrong? Please can
> anybody point me in the right direction? Thanks.
>
> --
> Dr. Michael Schwartzkopff
> MultiNET Services GmbH
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>
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