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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It looks like OpenMPI is not installed on all your execution machines. You need to install at least the libs on all machines, or on an NFS-shared location. Check the output of "which orted" on the machine that works.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Bart<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> wrf-users-bounces@ucar.edu [mailto:wrf-users-bounces@ucar.edu] <b>On Behalf Of </b>Ahsan Ali<br><b>Sent:</b> Tuesday, May 03, 2011 1:04 AM<br><b>To:</b> users@open-mpi.org<br><b>Subject:</b> [Wrf-users] WRF Problem running in Parallel on multiple nodes(cluster)<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>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.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>[root@pmd02 em_real]# mpirun -np 10 -hostfile /home/pmdtest/hostlist ./real.exe<o:p></o:p></p></div><div><p class=MsoNormal>bash: orted: command not found<o:p></o:p></p></div><div><p class=MsoNormal>bash: orted: command not found<o:p></o:p></p></div><div><p class=MsoNormal>--------------------------------------------------------------------------<o:p></o:p></p></div><div><p class=MsoNormal>A daemon (pid 22006) died unexpectedly with status 127 while attempting<o:p></o:p></p></div><div><p class=MsoNormal>to launch so we are aborting.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>There may be more information reported by the environment (see above).<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>This may be because the daemon was unable to find all the needed shared<o:p></o:p></p></div><div><p class=MsoNormal>libraries on the remote node. You may set your LD_LIBRARY_PATH to have the<o:p></o:p></p></div><div><p class=MsoNormal>location of the shared libraries on the remote nodes and this will<o:p></o:p></p></div><div><p class=MsoNormal>automatically be forwarded to the remote nodes.<o:p></o:p></p></div><div><p class=MsoNormal>--------------------------------------------------------------------------<o:p></o:p></p></div><div><p class=MsoNormal>--------------------------------------------------------------------------<o:p></o:p></p></div><div><p class=MsoNormal>mpirun noticed that the job aborted, but has no info as to the process<o:p></o:p></p></div><div><p class=MsoNormal>that caused that situation.<o:p></o:p></p></div><div><p class=MsoNormal>--------------------------------------------------------------------------<o:p></o:p></p></div><div><p class=MsoNormal>mpirun: clean termination accomplished<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><br>-- <br>Syed Ahsan Ali Bokhari <br>Electronic Engineer (EE)<o:p></o:p></p><div><p class=MsoNormal><br>Research & Development Division<br>Pakistan Meteorological Department H-8/4, Islamabad.<br>Phone # off +92518358714<o:p></o:p></p></div><div><p class=MsoNormal>Cell # +923155145014<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div>
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