[Linux-cluster] locating a starting resource
Ferenc Wagner
wferi at niif.hu
Thu Aug 28 23:00:24 UTC 2014
Andrew Beekhof <andrew at beekhof.net> writes:
> On 28 Aug 2014, at 4:56 am, Ferenc Wagner <wferi at niif.hu> wrote:
>
>> Andrew Beekhof <andrew at beekhof.net> writes:
>>
>>> On 27 Aug 2014, at 6:42 am, Ferenc Wagner <wferi at niif.hu> wrote:
>>>
>>>> crm_resource --locate finds the hosting node of a running (successfully
>>>> started) resource just fine. Is there a way to similarly find out the
>>>> location of a resource *being* started, ie. whose resource agent is
>>>> already running the start action, but that action is not finished yet?
>>>
>>> You need to set record-pending=true in the op_defaults section.
>>> For some reason this is not yet documented :-/
>>>
>>> With this in place, crm_resource will find the correct location
>>
>> I set it in a single start operation, and it works as advertised,
>> thanks! At first I was suprised to see "Started" in the crm status
>> output while the resource was only starting, but the added order
>> constraint worked as expected, ie. the dependent resource started only
>> after the start action finished successfully. This begs a bonus
>> question: how do I tell apart starting resources with record-pendig=true
>> and started resources?
>
> I'm reasonably sure we don't expose that via crm_resource.
> Seems like a reasonable thing to do though.
>
> crm_mon /might/ show pending though.
Version 1.1.7 does not. Looks like call-id="-1" signs the pending
operations of an <lrm_resource>, so pulling this info out of the CIB
is not too complicated.
--
Regards,
Feri.
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