[Pacemaker] resource order question

[Andrew Beekhof]

On Fri, Apr 29, 2011 at 1:24 PM, Andreas Kurz <andreas.kurz at linbit.com> wrote:
> On 2011-04-29 09:23, Andrew Beekhof wrote:
>> On Fri, Apr 29, 2011 at 9:16 AM,  <u.schmeling at online.de> wrote:
>>>
>>> Hi all,
>>>
>>> Using the MailTo resource I want to generate a more specific message, like this: Having 2 resources running on a node like MailTo and Dummy (besides some other resources) . Adding a order rule like "order Dummy-before-Notify inf: Dummy MailTo". So if the Dummy resource is started it will write a specific message to a file and MailTo will pickup the message. Now my question: Having this order, on a stop event which resource will be stopped first?
>>
>> Notify I'm afraid.
>
> try unsymmetric order constraints:

Not recommended for people only just getting their feet wet though :)

>
> order start-Dummy-before-Notify inf: Dummy:start MailTo:start
> symmetrical=false
>
> order stop-Dummy-before-Notify inf: Dummy:stop MailTo:stop symmetrical=false
>
> Regards,
> Andreas
>
>>
>>> If also Dummy would be stopped first, it would be possible to place a specific down messag into the stop procedure of Dummy and picking it up again with MailTo
>>>
>>> regards Uwe
>>>
>>>
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>>
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>
>
>
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> Project Home: http://www.clusterlabs.org
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> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
>