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Subject: Re: [OMPI users] Failing to MPI run on my linux cluster
From: Ralph Castain (rhc_at_[hidden])
Date: 2014-01-08 10:50:29


I can't speak to your app as I don't know what it does. However, you *do* have to compile the example first! :-)

A simple "make" in the examples directory will create all the binaries

On Jan 8, 2014, at 7:29 AM, Axel Viðarsson <axelvinna_at_[hidden]> wrote:

> Hey all
>
> My cluster consist of 2 workstations with hyper threaded Intel Xeon processors and an old Dell dual core computer to control them.
> I am failing to mpirun on the cluster.
>
> 1.When executing as user
>
> [prufa_at_master]$ mpirun -np 16 --hostfile /home/prufa/prufa.mpi_hostfile fds_mpi SST1SV20.fds
>
> Process 0 of 15 is running .....
>
> forrtl: Permission denied
> forrtl: severe (9): permission to access file denied, unit 4, file /share/apps/FDS/FDS6/FDS6/
> Examples/Verkis/FDS6MPI_SST_1STEPVALUES_VEL_20.smv
>
> 2. Executing same command
>
> forrtl: severe (47): write to READONLY file, unit 4, file /share/apps/FDS/FDS6/FDS6/Examples/Verkis/FDS6MPI_SST_1STEPVALUES_VEL_20.smv
>
> 3. When i try one of openmpi examples
>
> [prufa_at_master]$ mpirun -np 18 /share/apps/openmpi-1.6.5/
> examples/hello_c.c
> --------------------------------------------------------------------------
> mpirun was unable to launch the specified application as it could not access
> or execute an executable:
>
> Executable: /share/apps/openmpi-1.6.5/examples/hello_c.c
> Node: w0094.stofa.is
>
> while attempting to start process rank 0.
> --------------------------------------------------------------------------
> 18 total processes failed to start
>
>
> Please could you guys help me with this problem.
>
> Thanks in advance
>
> Best regards
> Axel
>
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