The CE tests etc are (kind of) documented here:
https://tomtools.cern.ch/confluence/display/SAM/CE
There are basically no requirements short of your CE existing (the WMS
will add the requirement that it is in 'Production' status).
Daniela
On 18 May 2011 15:29, Stephen Jones <[log in to unmask]> wrote:
> Thanks for your help, Stuart.
>
>> The WMS gives the 'BrokerHelper: no compatible resources' messages when
>> the set of Requirements [0] stanza of the JDL specifies a set of
>> requirements that is not met by any of the CE's.
>
> Yes. But I don't need to worry about any CE but mine. So, to me, when this
> message occurs, it means “the JDL specifies a set of requirements that is
> not met by YOUR CE – so there is something wrong with it, but I won't tell
> you what it is!”
>
>> So the set of requirements is specified in the JDL, and therefore it
>> shouldn't be complicated to see what's being requested.
>
> Problem is that I have no access to the JDL of any test. The person who
> submitted the job does, but I just look after the CE. I want to see what the
> job needed. Then I could compare it to the resources my CE provides, and if
> some resource is missing, I will be able to tell which it is.
>
>> But when I do need to, I use glite-wms-job-list-match, and delete one
>> clause from the Requirements at a time, until I find the one that's the
>> problem. Generally, it's not likely to be CPU/wall time limits, unless they
>> are excessively long, so I start with the other Requirements.
>
> I can't do that because I have no access to the info on the WMS for the job
> – I have no rights.
>
>> However, I agree that it would be good if there was a way to get the WMS
>> to describe the details of the matching process better, for diagnosing these
>> things. It wouldn't be too tricky to write a wrapper around job-list-match,
>> taking each component of the Requirements at a time, and counting the
>> matching resources for each stanza in it, and that might give an idea of
>> where the problem lies. If there's interest, I can see if I can whip
>> something up?
>
> That would be good. Let's gauge the interest. There are architectural issues
> to consider as well. Should we have the text of the SAM/nagios test
> available on-line? Should it be in the test results? In any case, the
> requirements of tests of site infrastructure elements (CEs, SEs ...) should
> me obvious so that sites can use the results as (well...) a test!
>
> Cheers,
> Steve
>
>
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