[mpich-discuss] Issue with Slurm / Hydra

[Darius Buntinas]

Try using mpiexec instead of srun.

-d

On Nov 24, 2010, at 12:32 PM, Vienne Jérôme wrote:

> Hi,
> 
> I have actually an issue when I want to use mpich2 1.3.1 with hydra and slurm.
> I configured mpich2 using the following command:
> ./configure --with-hydra-bss=ssh,rsh,fork,slurm
> (I saw this command on
> http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager)
> 
> But when I want to run a MPI program like IMB with the following command:
> srun -n 16 IMB-MPI1 -npmin 16 bcast
> I have 16 instances of bcast with only 1 MPI process each time instead
> of one instance of bcast with 16 MPI processes
> 
> I tried to configure Mpich2 with only slurm:
> ./configure --with-hydra-bss=slurm
> But the issue is still appearing.
> 
> I don't know if it's a bug or if the command changed
> Can you tell me how to use correctly Hydra with slurm ?
> 
> Thanks,
> Jerome
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