[Mauiusers] nodeaccesspolicy based on queue and job?

David B Jackson jacksond at clusterresources.com
Wed Oct 19 21:31:51 MDT 2005


Garrick,

  We will add support for 'CLASSCFG[X] NODEACCESSPOLICY=X' tonight.

  Will this work?

Dave

> On my large cluster with a global "NODEACCESSPOLICY SINGLEJOB", I'm
> trying to meet a specific requirement of letting single-proc jobs within
> a specific class share nodes.  This should be transparent to the user
> and not require additional arguments to qsub (from TORQUE).
>
> I can't think of a way to do this purely in maui.cfg.  It seems like I
> should able to do this with a QOS, but it doesn't seem possible.
>
> Other possibilities that I can think of include:
>
> - In TORQUE, single-proc jobs go through a routing queue that adds
>   NACCESSPOLICY:SHARED to the RM extensions (doesn't seem possible).
>
> - In TORQUE, route single-proc jobs to a different execution queue, then
>   maui.cfg has "CLASSCFG[foo] NODEACCESSPOLICY SHARED" (also doesn't
>   seem possible).
>
> - A qsub filter that adds "-W x=NACCESSPOLICY:SHARED" for single-proc
>   jobs in the correct queue.
>
> Anyone have any suggestions for me?
>
> --
> Garrick Staples, Linux/HPCC Administrator
> University of Southern California
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