[slurm-users] Multinode MPI job

[Mahmood Naderan]

Thank you very much. you are right. I got it.

Regards,
Mahmood




On Wed, Mar 27, 2019 at 10:33 PM Thomas M. Payerle <payerle at umd.edu> wrote:

> As partition CLUSTER is not in your /etc/slurm/parts file, it likely was
> added via scontrol command.
> Presumably you or a colleague created a CLUSTER partition, whether
> intentionally or not.
>
> Use
> scontrol show partition CLUSTER
> to view it.
>
> On Wed, Mar 27, 2019 at 1:44 PM Mahmood Naderan <mahmood.nt at gmail.com>
> wrote:
>
>> 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
>>>
>>>
>
> --
> Tom Payerle
> DIT-ACIGS/Mid-Atlantic Crossroads        payerle at umd.edu
> 5825 University Research Park               (301) 405-6135
> University of Maryland
> College Park, MD 20740-3831
>
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