[torqueusers] ppn + hostlist

glen.beane at gmail.com glen.beane at gmail.com
Wed Dec 4 07:02:59 MST 2013

The correct syntax has always been nodes=node01:ppn=2+node02:ppn=2+mode03:ppn=2

Sent from my iPhone

> On Dec 4, 2013, at 2:12 AM, "Andrus, Brian Contractor" <bdandrus at nps.edu> wrote:
> All,
> Something seems to have changed either in torque or moab (I am thinking moab).
> If I want to request 2 nodes with 2 ppn from a particular hostlist, we used to:
> qsub -l nodes=2:ppn=2:node01+node02+node03
> But now that does not work. It errors with:
> qsub: submit error (Job rejected by all possible destinations (check syntax, queue resources, ...))
> However I can:
> qsub -l nodes=2:ppn=2 -l nodes=node01+node02+node03
> But… that gives me 3 procs from those available in the nodelist (basically it ignores the first “-l” directive)
> And if I try:
> qsub -l nodes=1:node01+node02+node03
> It ends up putting the node names as a required features, which of course no single node has all of… o.O
> Such jobs end up never running until I force them with ‘qrun’
> So, how do I request  X nodes with Y PPN from resources constrained to a particular list of hosts?
> The current use case is for users that want to ensure their job lands on the same nodes as they to timing comparisons.
> This is torque 4.2.6 and moab 7.2.6
> Brian Andrus
> ITACS/Research Computing
> Naval Postgraduate School
> Monterey, California
> voice: 831-656-6238
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