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Subject: [OMPI users] Failing to MPI run on my linux cluster
From: Axel Viðarsson (axelvinna_at_[hidden])
Date: 2014-01-08 10:29:36


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