[Pacemaker] Pacemaker 1.1.7 order constraint syntax

[Rasto Levrinc]

On Thu, Jul 19, 2012 at 3:46 PM, Vadym Chepkov <vchepkov at gmail.com> wrote:
>
> On Jul 19, 2012, at 8:57 AM, Rasto Levrinc wrote:
>
>> On Thu, Jul 19, 2012 at 2:38 PM, Andreas Kurz <andreas at hastexo.com> wrote:
>>> On 07/19/2012 11:47 AM, Vadym Chepkov wrote:
>>>> Hi,
>>>>
>>>> When Pacemaker 1.1.7 was announced, a new feature was mentioned:
>>>>
>>>> The ability to specify that A starts after ( B or C or D )
>>>>
>>>> I wasn't able to find an example how to express it crm shell in neither man crm nor in Pacemaker Explained.
>>>> In fact, http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/s-resource-ordering.html doesn't have new attribute listed either.
>>>> Is it supported in crm ?
>>>
>>> I don't think it is supported in crm or any other configuration tool
>>> .... syntax for above example in xml looks like:
>>
>> Well, LCMC supports this, btw last time I checked this feature
>> is still not enabled in constrains rng in 1.1.7 by default, so you
>> have to wait at least for 1.1.8, or enable it yourself.
>> It also doesn't work if combined with colocation
>
> I presume it doesn't work if score is INFINITY ? Otherwise it would be strange.

It doesn't work with any score. It's not strange just a missing feature.

Rasto

>
>
>> Rasto
>>
>>>
>>> <rsc_order id="order-1">
>>>      <resource_set id="req-1" sequential="false" require-all="false">
>>>        <resource_ref id="B"/>
>>>        <resource_ref id="C"/>
>>>        <resource_ref id="D"/>
>>>      </resource_set>
>>>      <resource_set id="req-2">
>>>        <resource_ref id="A"/>
>>>      </resource_set>
>>> </rsc_order>
>>>
>>> ... can be found in the pengine regression tests directory in Pacemaker
>>> source ...
>>
>> --
>> Dipl.-Ing. Rastislav Levrinc
>> rasto.levrinc at gmail.com
>> Linux Cluster Management Console
>> http://lcmc.sf.net/
>>
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>>
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>
>
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>
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-- 
Dipl.-Ing. Rastislav Levrinc
rasto.levrinc at gmail.com
Linux Cluster Management Console
http://lcmc.sf.net/