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From: Brian Barrett (brbarret_at_[hidden])
Date: 2006-05-10 04:57:01


On May 10, 2006, at 9:08 AM, Mahesh Barve wrote:

> I am trying to build a cluster with 2 nodes each
> being a dual processor xeon machine. I have installed
> openMPI on one of the machines in /opt/open-mpi folder
> and have kept the folder shared across the network
> thru nfs mounted again in the same folder.
> Now I would like to run mpi code involving both
> machines. I run the code with command
> mpirun --hostfile hostfile -np 2 a.out
> where hostfile has ipaddresses of both the
> machines(192.168.1.1(master node) and
> 192.168.1.2(slave node)).
> I get the error
> ----------
> orte: command not found
> ERROR : A daemon on node 192.166.1.2 failed to start
> as expected
> ERROR : there may be more information available from
> the remote shell (see above)
> ERROR : the daemon exited unexpectedly with status
> 127
> -----------
>
> Could you please let me know how to get over this
> problem?

This usually means that on the remote node, /opt/open-mpi/bin is not
in your path. We have an FAQ item on this issue:

   http://www.open-mpi.org/faq/?category=running#adding-ompi-to-path

If this doesn't solve your problem, please let us know.

Brian

-- 
   Brian Barrett
   Open MPI developer
   http://www.open-mpi.org/