[torqueusers] SIGTERM and pbsdsh

Tim Freeman tfreeman at mcs.anl.gov
Fri Nov 30 08:55:38 MST 2007


On Fri, 30 Nov 2007 13:50:34 +1100
Chris Samuel <csamuel at vpac.org> wrote:

> On Fri, 30 Nov 2007, Tim Freeman wrote:
> 
> Hello Tim!
> 
> Sorry I missed you at SC this year..

Me too, I couldn't make it this time.

> 
> > Hi, thanks.  Can you elaborate?  The executable passed to pbsdsh is
> > run on each node.  There is no script run first, and this
> > executable has a SIGTERM handler. Without pbsdsh all is well
> > because the executable does get SIGTERM from the MOM (this is as a
> > result of qdel) and that's what I want for every copy on each node
> > when run via pbsdsh.
> 
> It would be interesting to compare running the program under pbsdsh to 
> running it with Pete Wyckoff's "mpiexec" program using the -comm=none 
> option (to stop it doing an MPI setup work).

Thanks Chris, I'll take a look at this when I regain access.

Tim


> 
> i.e. replace:
> 
> pbsdsh /path/to/foo $ARGS
> 
> with
> 
> mpiexec -comm=none /path/to/foo $ARGS
> 
> I have a memory of Pete having to do some work around this in the last 
> 6 months or so (but then my memory does suffer from random bitrot, so 
> it's always good to check..)
> 
> cheers,
> Chris
> -- 
> Christopher Samuel - (03) 9925 4751 - Systems Manager
>  The Victorian Partnership for Advanced Computing
>  P.O. Box 201, Carlton South, VIC 3053, Australia
> VPAC is a not-for-profit Registered Research Agency
> 




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