[Mauiusers] nodeaccess policy - does it work on a job by job bases?

Steve Young chemadm at hamilton.edu
Tue Mar 24 17:22:10 MDT 2009


Looking at the docs (http://www.clusterresources.com/products/maui/docs/13.3rmextensions.shtml#NACCESSPOLICY 
) from the page you gave..... It shows a colon between arguments  
naccesspolicy and singlejob. So, naccesspolicy:singlejob should be  
what your trying. Did you try that?

-Steve

On Mar 24, 2009, at 6:28 PM, Sarah Mulholland wrote:

> According to the maui docs, the node access policy can be overridden  
> on a job-by-job basis using the naccesspolicy (described at the link  
> below).  I’m able to submit my job with a singlejob node access  
> policy, but it appears that maui is letting other jobs onto the  
> nodes.  Does this feature of maui work?
>
> http://www.clusterresources.com/products/maui/docs/5.3nodeaccess.shtml
>
> I have a cluster of 8 nodes with 2 processors each.  The  
> jobnodematchpolicy is exactnode, so I get 8 processors on different  
> nodes when I submitting with qsub
>
>    qsub -l nodes=8:ppn=1,naccesspolicy=singlejob $myjob
>
> Afterwards I submit another job with
>
>    qsub -l nodes=8:ppn=1 $mynextjob
>
> I expect the 2nd job to wait because all 8 nodes are running with a  
> singlejob access policy.  Instead this job gets 1 processor per node  
> and starts running right away.
>
> Am I misunderstanding the nodeaccess policy?
>
> Sarah
>
>
>
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