See the following section in FAQ.
and you should copy your application onto every node, if you are not logged in using NFS.
Dear openmpi users,I am using openmpi-1.0.2 on Redhat linux. I can succussfully run mpirun in single PC with 2 np. But fail in remote node. Can you give me some advices? thank you very much in advance.
[say@wolf45 tmp]$ mpirun -np 2 /tmp/test.x[say@wolf45 tmp]$ mpirun -np 2 --host wolf45,wolf46 /tmp/test.x
orted: Command not found.
[wolf45:11357] ERROR: A daemon on node wolf46 failed to start as expected.
[wolf45:11357] ERROR: There may be more information available from
[wolf45:11357] ERROR: the remote shell (see above).
[wolf45:11357] ERROR: The daemon exited unexpectedly with status 1.
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