[slurm-users] Running an MPI job across two partitions

[CB]

Hi Michael,

Thanks for the comment.

I was just checking if there is any other way to do the job before
introducing another partition.
So it appears to me that creating a new partition is the way to go.

Thanks,
Chansup

On Mon, Mar 23, 2020 at 1:25 PM Renfro, Michael <Renfro at tntech.edu> wrote:

> Others might have more ideas, but anything I can think of would require a
> lot of manual steps to avoid mutual interference with jobs in the other
> partitions (allocating resources for a dummy job in the other partition,
> modifying the MPI host list to include nodes in the other partition, etc.).
>
> So why not make another partition encompassing both sets of nodes?
>
> > On Mar 23, 2020, at 10:58 AM, CB <cbalways at gmail.com> wrote:
> >
> > Hi Andy,
> >
> > Yes, they are on teh same network fabric.
> >
> > Sure, creating another partition that encompass all of the nodes of the
> two or more partitions would solve the problem.
> > I am wondering if there are any other ways instead of creating a new
> partition?
> >
> > Thanks,
> > Chansup
> >
> >
> > On Mon, Mar 23, 2020 at 11:51 AM Riebs, Andy <andy.riebs at hpe.com> wrote:
> > When you say “distinct compute nodes,” are they at least on the same
> network fabric?
> >
> >
> >
> > If so, the first thing I’d try would be to create a new partition that
> encompasses all of the nodes of the other two partitions.
> >
> >
> >
> > Andy
> >
> >
> >
> > From: slurm-users [mailto:slurm-users-bounces at lists.schedmd.com] On
> Behalf Of CB
> > Sent: Monday, March 23, 2020 11:32 AM
> > To: Slurm User Community List <slurm-users at lists.schedmd.com>
> > Subject: [slurm-users] Running an MPI job across two partitions
> >
> >
> >
> > Hi,
> >
> >
> >
> > I'm running Slurm 19.05 version.
> >
> >
> >
> > Is there any way to launch an MPI job on a group of distributed  nodes
> from two or more partitions, where each partition has distinct compute
> nodes?
> >
> >
> >
> > I've looked at the heterogeneous job support but it creates two-separate
> jobs.
> >
> >
> >
> > If there is no such capability with the current Slurm, I'd like to hear
> any recommendations or suggestions.
> >
> >
> >
> > Thanks,
> >
> > Chansup
> >
>
>
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