[Pacemaker] resource-discovery question

[Andrew Beekhof]

> On 13 Nov 2014, at 8:36 am, Vladislav Bogdanov <bubble at hoster-ok.com> wrote:
> 
> 12.11.2014 22:57, David Vossel wrote:
>> 
>> 
>> ----- Original Message -----
>>> 12.11.2014 22:04, Vladislav Bogdanov wrote:
>>>> Hi David, all,
>>>> 
>>>> I'm trying to get resource-discovery="never" working with cd7c9ab, but
>>>> still
>>>> get "Not installed" probe failures from nodes which does not have
>>>> corresponding resource agents installed.
>>>> 
>>>> The only difference in my location constraints comparing to what is
>>>> committed in #589
>>>> is that they are rule-based (to match #kind). Is that supposed to work with
>>>> the
>>>> current master or still TBD?
>>> 
>>> Yep, after I modified constraint to a rule-less syntax, it works:
>> 
>> ahh, good catch. I'll take a look!
>> 
>>> 
>>> <rsc_location id="vlan003-on-cluster-nodes" rsc="vlan003" score="-INFINITY"
>>> node="rnode001" resource-discovery="never"/>
>>> 
>>> But I'd prefer to that killer feature to work with rules too :)
>>> Although resource-discovery="exclusive" with score 0 for multiple nodes
>>> should probably
>>> also work for me, correct?
>> 
>> yep it should.
>> 
>>> I cannot test that on a cluster with one cluster
>>> node and one
>>> remote node.
>> 
>> this feature should work the same with remote nodes and cluster nodes.
>> 
>> I'll get a patch out for the rule issue. I'm also pushing out some documentation
>> for the resource-discovery option. It seems like you've got a good handle on it
>> already though :)
> 
> Oh, I see new pull-request, thank you very much!
> 
> One side question: Is default value for clone-max influenced by
> resource-discovery value(s)?

Very good question, I like the idea

> 
> 
>> 
>>>> 
>>>> My location constraints look like:
>>>> 
>>>>      <rsc_location id="vlan003-on-cluster-nodes" rsc="vlan003"
>>>>      resource-discovery="never">
>>>>        <rule score="-INFINITY" id="vlan003-on-cluster-nodes-rule">
>>>>          <expression attribute="#kind" operation="ne" value="cluster"
>>>>          id="vlan003-on-cluster-nodes-rule-expression"/>
>>>>        </rule>
>>>>      </rsc_location>
>>>> 
>>>> Do I miss something?
>>>> 
>>>> Best,
>>>> Vladislav
>>>> 
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>>>> 
>>> 
>>> 
> 
> 
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