Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |  

This web mail archive is frozen.

This page is part of a frozen web archive of this mailing list.

You can still navigate around this archive, but know that no new mails have been added to it since July of 2016.

Click here to be taken to the new web archives of this list; it includes all the mails that are in this frozen archive plus all new mails that have been sent to the list since it was migrated to the new archives.

Subject: Re: [OMPI users] Help diagnosing problem: not being able to run MPI code across computers
From: Angel de Vicente (angelv_at_[hidden])
Date: 2013-05-06 05:10:51


Ralph Castain <rhc_at_[hidden]> writes:

> On May 4, 2013, at 4:54 PM, Angel de Vicente <angelv_at_[hidden]> wrote:
>> Is there any way to dump details of what OpenMPI is trying to do in each
>> node, so I can see if it is looking for different libraries in each
>> node, or something similar?

thanks for the suggestions, but I'm still stuck:

> What I do is simply "ssh ompi_info -V" to each remote node and compare
> results - you should get the same answer everywhere.

exactly the same information in the three connected machines

> Another option in these situations is to configure
> --enable-orterun-prefix-by-default. If you install in the same
> location on each node (e.g., on an NSF mount), then this will ensure
> you get that same library.

Re-configured and re-compiled OpenMPI, but I get the same behaviour.

I'm starting to think that perhaps is a firewall issue? I don't have
root access in these machines but I'll try to investigate.


Ángel de Vicente