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On Jul 4, 2006, at 1:53 AM, Chengwen Chen wrote:
> 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_at_wolf45 tmp]$ mpirun -np 2 /tmp/test.x
> [say_at_wolf45 tmp]$ mpirun -np 2 --host wolf45,wolf46 /tmp/test.x
> say_at_wolf46's password:
> orted: Command not found.
> [wolf45:11357] ERROR: A daemon on node wolf46 failed to start as
> [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.
Kefeng is correct that you should setup your ssh keys so that you
aren't prompted for a password, but that isn't the cause of your
failure. The problem appears to be that orted (one of the Open MPI
commands) is not in your path on the remote node. You should take a
look at one of the other FAQ sections on the setup required for Open
MPI in an rsh/ssh type environment.
Hope this helps,
Open MPI developer