[torqueusers] Hogging Nodes

Troy Baer tbaer at utk.edu
Thu Mar 19 08:53:51 MDT 2009

On Wed, 2009-03-18 at 16:47 -0700, Sarah Mulholland wrote:
> I sent this question to the maui group over a week ago, but there was
> no answer.  Perhaps this question is more appropriate to the torque
> group.
> I am running the maui scheduler 3.2.6 patch level 16 with torque
> 2.1.6.  I am looking for a way to submit a job on some number of
> nodes, say 10.  In addition to running on 10 nodes, I want exclusive
> use of those nodes.  Is there a property I can set to allow that kind
> of scheduling?   So far I’m submitting jobs with 
>             “-l nodes=10:ppn=1”
> Specifically I have a job that needs to run on 10 processors all on
> different nodes.  We have two processors per node.  The
> JOBNODEMATCHPOLICY EXACTNODE makes sure our job gets what it needs,
> but I want to prevent anything else from running on the second
> processor of the 10 nodes.

It sounds like you want "NODEACCESSPOLICY SINGLEJOB" in Maui, but I'm
not sure if you can set that on a per-job basis.

Troy Baer, HPC System Administrator
National Institute for Computational Sciences, University of Tennessee
Phone:  865-241-4233

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