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Subject: Re: [OMPI users] Open MPI program cannot complete
From: David Zhang (solarbikedz_at_[hidden])
Date: 2010-10-25 15:52:34


can you install MPI on your local machine? As someone said earlier, you
don't need a cluster to run MPI. You can run MPI with multiple processes on
a single computer.

On Mon, Oct 25, 2010 at 12:40 PM, Ashley Pittman <ashley_at_[hidden]>wrote:

>
> On 25 Oct 2010, at 20:18, Jack Bryan wrote:
>
> > Thanks
> > I have downloaded
> > http://padb.googlecode.com/files/padb-3.0.tgz
> >
> > and compile it.
> >
> > But, no user manual, I can not use it by padb -aQ.
>
> The -a flag is a shortcut to all jobs, if you are providing a jobid (which
> is normally numeric) then don't set the -a flag.
>
> > Do you have use manual about how to use it ?
>
> In my previous mail I was assuming you were using orte to launch the jobs
> but if you are using PBS then you'll need to use the 3.2 beta as the PBS
> code is new, alternatively you could find the host where the PBS script
> itself runs and check of the "ompi-ps" command gives you any output, if it
> does then you could run it from there giving it the orte jobid.
>
> A bit of background about resource managers (in which I'm including orte
> and PBS), padb supports many resource managers and tries to automatically
> detect which ones you have installed on your system. If you don't specify
> one then it'll see what is installed, if there is more than one resource
> manager installed then it'll see which of them claim to have active jobs -
> if only one resource manager meets this criteria then it'll pick that one -
> hence 99% of the time it should just work. If more than one resource
> manager claims to have active jobs then padb will refuse to run but ask the
> user to specify one explicitly.
>
> You should try the following in order once you have 3.2 installed.
>
> padb -Ormgr=pbs -Q <myjob>
>
> Or - find the node where the PBS script is being executed, check that the
> ompi-ps command is returning the jobid and then run
>
> padb -Ormgr=orte -Q <openmpi_jobid>
>
> Ashley,
>
> --
>
> Ashley Pittman, Bath, UK.
>
> Padb - A parallel job inspection tool for cluster computing
> http://padb.pittman.org.uk
>
>
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>

-- 
David Zhang
University of California, San Diego