[torqueusers] specific nodes

Ricardo Román Brenes roman.ricardo at gmail.com
Wed Nov 30 12:56:17 MST 2011


so wrong mailing list huh?

sorry to bother

thanks for your time

On Wed, Nov 30, 2011 at 1:52 PM, Lloyd Brown <lloyd_brown at byu.edu> wrote:

> Ricardo,
>
> Have you seen section 4.1.4 ("Mapping a Queue to a Subset of Resources")
> in the Torque documentation?  It might give you some ideas.  However,
> the short answer to your question, as seen in that section is this:
>
> > TORQUE does not currently provide a simple mechanism for mapping queues
> to nodes. However, schedulers such as Moab and Maui can provide this
> functionality.
>
>
> Lloyd Brown
> Systems Administrator
> Fulton Supercomputing Lab
> Brigham Young University
> http://marylou.byu.edu
>
>
>
> On 11/30/2011 12:37 PM, Ricardo Román Brenes wrote:
> > Hello everyone thanks for the time of reading and the long post :P
> >
> >
> > The question is about multiple queues with Torque:
> >
> >
> > We have here different clusternodes with difrente architectures:
> > 4 PS-3
> > 3 CPU+GPU
> > 2 CPU
> >
> > and i want to be able to send jobs to each of hte nodes independly
> > (using torque). Im guessing that having several queues and that each
> > node belonging to a queue in particular and then submittint jobs to that
> > queue will do the trick:
> >
> > say i got 4 queues
> > IBMCELL with the 4 PS-3
> > TESLA with the 3 nodes that have GPUs
> > XEON with te 5 nodes that have Xeons (which in turn 3 of them have
> > teslas :P)
> >
> > and when i submit a job:
> > qsub -q IBMCELL a.pbs
> > should run on the PS-3 only, but im not being able to make it work like
> > that.
> >
> > As a test i made 2 queues in the PS3 pbs_server ("uno" and "dos"):
> >
> >     #
> >     # Create queues and set their attributes.
> >     #
> >     #
> >     # Create and define queue uno
> >     #
> >     *create queue uno
> >     **set queue uno queue_type = Execution
> >     **set queue uno acl_host_enable = False
> >     **set queue uno acl_hosts = zarate-0+zarate-1
> >     **set queue uno enabled = True
> >     **set queue uno started = True
> >     *#
> >     # Create and define queue dos
> >     #
> >     *create queue dos
> >     **set queue dos queue_type = Execution
> >     **set queue dos acl_host_enable = **False**
> >     **set queue dos acl_hosts = zarate-2+zarate-3
> >     **set queue dos enabled = True
> >     **set queue dos started = True
> >     *#
> >     # Set server attributes.
> >     #
> >     set server scheduling = True
> >     set server acl_hosts = zarate-0
> >     set server log_events = 511
> >     set server mail_from = adm
> >     set server scheduler_iteration = 600
> >     set server node_check_rate = 150
> >     set server tcp_timeout = 6
> >     set server next_job_number = 22
> >
> >
> > and i changed the _nodes_ file in the server_priv directory so it is
> > like this (zarate are just the hostname :P):
> >
> >
> >     zarate-0 np=2 uno
> >     zarate-1 np=2 uno
> >     zarate-2 np=2 dos
> >     zarate-3 np=2 dos
> >
> >
> >
> > but its not working... when i launch a job:
> >
> >     #PBS -N mpi_hello
> >     /usr/local/bin/mpiexec -n 8 /home/rroman/a.out
> >
> >
> > with teh command:
> >
> > #PBS -N mpi_hello
> >
> >     /usr/local/bin/mpiexec -n 8 /home/rroman/a.out
> >
> >
> > the output file is:
> >
> >     zarate-1: hello world from process 2 of 8
> >     zarate-2: hello world from process 5 of 8
> >     zarate-2: hello world from process 6 of 8
> >     zarate-3: hello world from process 0 of 8
> >     zarate-3: hello world from process 7 of 8
> >     zarate-1: hello world from process 3 of 8
> >     zarate-0: hello world from process 4 of 8
> >     zarate-3: hello world from process 1 of 8
> >
> >
> >
> > And there it shows that the job is running in ALL the nodes instead of
> > running only in zarate-0 and zarate-1 as the queue said (according to me
> :P)
> >
> >
> >
> >
> > SO! the question is: is it possible to do waht i want like this? and if
> > so, what am i doing wrong! :P
> >
> > Thank you Kay!
> >
> > -ricardo
> >
> >
> >
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> > torqueusers at supercluster.org
> > http://www.supercluster.org/mailman/listinfo/torqueusers
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