[Linux-cluster] locating a starting resource

[Andrew Beekhof]

On 29 Aug 2014, at 10:57 am, Ferenc Wagner <wferi at niif.hu> wrote:

> 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_resource -O outputs lines like this:
> [...] Started : vm-elm_start_0 (node=lant, call=-1, rc=14): pending
> which seems good enough for now.
> -- 

More recent versions also have:

       -j, --pending
              Display pending state if 'record-pending' is enabled


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