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From: Gleb Natapov (glebn_at_[hidden])
Date: 2007-08-29 05:05:43

On Wed, Aug 29, 2007 at 02:32:58PM +0530, Amit Kumar Saha wrote:
> Hi all,
> I have installed OpenMPI 1.2.3 on all my hosts (3).
> Now when I try to start a simple demo program ("hello world") using
> ./a.out I get the error. When I run my program using "mpirun" on more
> than one host it gives me similar error:
> error while loading shared libraries: cannot open
> shared object file: No such file or directory
> However when I do a mpirun a.out , it gives me no error.
> Please suggest
Have you installed Open MPI at the same place on all nodes? What command
line are you using to run app on more then one host?