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Subject: Re: [OMPI users] WRF Problem running in Parallel on multiple nodes (cluster)
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-05-03 05:35:28


The error message is telling you the problem. You don't have your remote path set so it can find the OMPI installation on the remote hosts. Look at the OMPI FAQ section for more info if you are unsure how to set paths on remote hosts.

On May 3, 2011, at 2:04 AM, Ahsan Ali wrote:

> Hello,
>
> I am able to run WRFV3.2.1 using mpirun on multiple cores of single machine, but when I want to run it across multiple nodes in cluster using hostlist then I get error, The compute nodes are mounted with the master node during boot using NFS. I get following error. Please help.
>
> [root_at_pmd02 em_real]# mpirun -np 10 -hostfile /home/pmdtest/hostlist ./real.exe
> bash: orted: command not found
> bash: orted: command not found
> --------------------------------------------------------------------------
> A daemon (pid 22006) died unexpectedly with status 127 while attempting
> to launch so we are aborting.
>
> There may be more information reported by the environment (see above).
>
> This may be because the daemon was unable to find all the needed shared
> libraries on the remote node. You may set your LD_LIBRARY_PATH to have the
> location of the shared libraries on the remote nodes and this will
> automatically be forwarded to the remote nodes.
> --------------------------------------------------------------------------
> --------------------------------------------------------------------------
> mpirun noticed that the job aborted, but has no info as to the process
> that caused that situation.
> --------------------------------------------------------------------------
> mpirun: clean termination accomplished
>
>
> --
> Syed Ahsan Ali Bokhari
> Electronic Engineer (EE)
>
> Research & Development Division
> Pakistan Meteorological Department H-8/4, Islamabad.
> Phone # off +92518358714
> Cell # +923155145014
>
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