[mpich-discuss] Suspend jobs that use MPICH2 with Hydra

[Pavan Balaji]

Hello,

We don't support this right now.  I've created a ticket for it.

https://trac.mcs.anl.gov/projects/mpich2/ticket/1627

Please add yourself to the cc list of this ticket, if you'd like to be 
informed about updates on this issue.

  -- Pavan

On 05/04/2012 12:54 PM, Shan-ho Tsai wrote:
> Hello all,
> We have mpich2 1.4.1p1 installed on a RHEL5 cluster
> and sometimes have the need to suspend all jobs clusterwide.
>
> Is there a way to suspend MPICH2 jobs that use Hydra, in
> such a way that the master process and all slave process
> (on multiple nodes) get properly suspended?
>
> If there is a way to do this, what is the procedure? Is there
> a signal that we could send to mpiexec?
>
> I tried sending a SIGSTOP to mpiexec, but only mpiexec
> got suspended, the actual a.out processes continued to run.
>
> I really appreciate any suggestions.
> thank you,
> Shan-Ho
>
> ----------------------------------------------------
> Shan-Ho Tsai
> University of Georgia, Athens GA
>
>
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji