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Subject: Re: [OMPI users] Newbie: Using hostfile
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-11-28 11:27:55


Well, that's odd.

What happens if you try to mpirun "hostname" (i.e., a non-MPI
application)? Does it run, or does it hang?

On Nov 23, 2007, at 6:00 AM, Madireddy Samuel Vijaykumar wrote:

> I have been using using clusters for some tests. My localhost "lynx"
> and i have "puma" and "tiger" which make up the cluster. All have
> passwordless ssh enabled. Now if i have the following in my
> hostfile(perline in the same order)
>
> lynx
> puma
> tiger
>
> My tests(from lynx) run over the cluster without any issues.
>
> But if move/remove the lynx from there either (perline in the same
> order)
>
> puma
> lynx
> tiger
>
> or
>
> puma
> tiger
>
> My test(from lynx) just does not get any where. It just hangs. And
> does not proceed at all. Is this an issue with way my script handles
> the cluster node. Or is there an method for the hostfile. Thanks.
>
> --
> Sam aka Vijju
> :)~
> Linux: Open, True and Cool
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
Cisco Systems