[torqueusers] Torque module for pdsh ?

Joshua Bernstein jbernstein at penguincomputing.com
Thu May 14 13:51:43 MDT 2009


	TORQUE comes with a similar tool called pbsdsh. You might want to have a look 
at that as it does the same sort of thing as pdsh but fashioned in a manner 
suitable for TORQUE.

-Joshua Bernstein
Software Engineer
Penguin Computing

Ole Holm Nielsen wrote:
> I was recommended to use Parallel Distributed Shell
> http://sourceforge.net/projects/pdsh/ for parallel commands
> on our cluster.  The pdsh command has a very nice flag
> that will execute a command on the nodes belonging to
> a certain jobid, but only if you use the Slurm resource manager.
>  From the pdsh(1) man-page:
> slurm module options
>         The slurm module allows pdsh to target nodes based on  currently  run-
>         ning  SLURM jobs. The slurm module is typically called after all other
>         node selection options have been processed, and if no nodes have  been
>         selected,  the  module  will  attempt to read a running jobid from the
>         SLURM_JOBID environment variable (which is set when  running  under  a
>         SLURM  allocation).  If SLURM_JOBID references an invalid job, it will
>         be silently ignored.
>         -j jobid[,jobid,...]
>                Target list of nodes allocated to the  SLURM  job  jobid.  This
>                option  may  be  used  multiple  times to target multiple SLURM
>                jobs. The special argument "all" can  be  used  to  target  all
>                nodes running SLURM jobs, e.g.  -j all.
> Question: Did anyone already write a Torque module for pdsh ? IMHO this
> would be a very useful thing to have.
> Thanks,
> Ole Holm Nielsen
> Technical University of Denmark
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