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Subject: Re: [OMPI users] cluster LiveCD
From: Rainer Keller (keller_at_[hidden])
Date: 2008-08-06 03:09:38

Hi Ben,
we created one bootable DVD based on Knoppix for our Parallel Tools Workshop
at HLRS. It features Open MPI and various (open source) tools based on it
using Oscar modules.

Among the compilers it has gfortran-4.3, which Open MPI-1.2.6 is compiled

We don't have automatic integration of other clients and no download of the
DVD image (yet), but we could send You a copy by snail-mail. Interested?

With best regards,

On Mittwoch, 6. August 2008, Ben Payne wrote:
> Hello. I am not sure if this is the correct list to ask this
> question, so if you know of a more appropriate one please let me know.
> I think am looking for a LiveCD that supports MPI, specifically one
> that has mpif90 built in, and can easily mount external (USB) drives
> for storing data.
> I have access to 40 Windows computers in a lab that rarely gets used.
> I would like to use the computers to run a cluster during the
> weekends, but be able to not mess with the Windows installation that
> exists on the hard drive. Because of this, I think a LiveCD would be
> good, and one that supports PXE booting is even better. If there is a
> better way to do this (run MPI, not disrupt Windows) please let me
> know.
> The applications that I want to run are originally written in
> Fortran90 and have been ported to MPI (by me) and compile with mpif90.
> I have attempted to use ParallelKnoppix and PelicanHPC (see below)
> and have spoken to the author of the distro, but he isn't explicitly
> supporting mpif90.
> >From the list at
> I have tried many distros. Below are the results of my attempts with
> the LiveCDs:
> BCCD 2.2.1c7 [DHCP server, ssh "heartbeats"]:
> mpiexec "command not found"
> mpirun -np 1 ./a.out : "cannot execute binary file"
> mpif90: "no fortran 90 compiler specified when mpif90 was created"
> gfortran: "command not found"
> PelicanHPC (Debian) [DHCP server, PXE boot]:
> mpirun works
> mpiexec works
> gfortran works
> mpif90: "command not found"
> ParallelKnoppix 2.9 (Knoppix) [DHCP server, PXE boot]:
> mpirun -np 1 ./a.out : "cannot execute binary file
> mpiexec -np 1 ./a.out : "cannot execute binary file", "mpirun
> failed with exit status 252"
> gfortran works
> mpif90: "command not found"
> ifort: "command not found"
> lamexec -np 1 ./a.out : "cannot execute binary file
> Note: mounting external drives is most intuitive in PK
> ClusterKnoppix: OpenMOSIX (no MPI)
> Pai Pix: could not find on internet
> Thanks for your help,
> Ben
> _______________________________________________
> users mailing list
> users_at_[hidden]

Dipl.-Inf. Rainer Keller
 HLRS                          Tel: ++49 (0)711-685 6 5858
 Nobelstrasse 19                  Fax: ++49 (0)711-685 6 5832
 70550 Stuttgart                    email: keller_at_[hidden]     
 Germany                             AIM/Skype:rusraink