[slurm-users] Multinode MPI job

[Mahmood Naderan]

So, it seems that it is not an easy thing at the moment!

>Partitions are defined by the systems administrators, you'd need to
>speak with them about their reasoning for those.

Its me :)
I haven't defined a partition named CLUSTER

Regards,
Mahmood




On Wed, Mar 27, 2019 at 8:42 PM Christopher Samuel <chris at csamuel.org>
wrote:

> On 3/27/19 8:39 AM, Mahmood Naderan wrote:
>
> > mpirun pw.x -imos2.rlx.in  <http://mos2.rlx.in>
>
> You will need to read the documentation for this:
>
> https://slurm.schedmd.com/heterogeneous_jobs.html
>
> Especially note both of these:
>
> IMPORTANT: The ability to execute a single application across more than
> one job allocation does not work with all MPI implementations or Slurm
> MPI plugins. Slurm's ability to execute such an application can be
> disabled on the entire cluster by adding "disable_hetero_steps" to
> Slurm's SchedulerParameters configuration parameter.
>
> IMPORTANT: While the srun command can be used to launch heterogeneous
> job steps, mpirun would require substantial modification to support
> heterogeneous applications. We are aware of no such mpirun development
> efforts at this time.
>
> So at the very least you'll need to use srun, not mpirun and confirm
> that the MPI you are using supports this Slurm feature.
>
> > Also, the partition names are weird. We have these entries:
>
> Partitions are defined by the systems administrators, you'd need to
> speak with them about their reasoning for those.
>
> All the best,
> Chris
> --
>    Chris Samuel  :  http://www.csamuel.org/  :  Berkeley, CA, USA
>
>
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