<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:"Nimbus Sans L [urw]", "Helvetica [Adobe]", sans-serif;font-size:10pt"><DIV><BR></DIV><DIV style="font-family:arial, helvetica, sans-serif;font-size:10pt"><BR><DIV style="font-family:times new roman, new york, times, serif;font-size:12pt"><FONT size="2" face="Tahoma">----- Forwarded Message ----<BR><B><SPAN style="font-weight: bold;">From:</SPAN></B> sima sima <simasima_64@yahoo.com><BR><B><SPAN style="font-weight: bold;">To:</SPAN></B> mpich2-maint@mcs.anl.gov<BR><B><SPAN style="font-weight: bold;">Sent:</SPAN></B> Tuesday, July 21, 2009 3:16:41 PM<BR><B><SPAN style="font-weight: bold;">Subject:</SPAN></B> unable to start all procs<BR></FONT><BR>
<DIV style=""><DIV>Hi Dear <BR></DIV><DIV></DIV><DIV>I installed the mpich2-1.0.8 in a cluster with 30 node,</DIV><DIV>but when I use mpirun command for parallel run of WRF model such as fallow :</DIV><DIV></DIV><DIV>[hamzelou@rserver run]$ mpirun -np 20 ../wrf.exe</DIV><DIV></DIV><DIV>the all of 20 prossesser go on rserver while it have only 5 prossesser,</DIV><DIV></DIV><DIV>then I used machinfile option </DIV><DIV>[hamzelou@rserver run]$ mpirun -machinefile /home/hamzelou/hamzehlou/machine20 -np 20 ./wrf.exe <BR>mpiexec: unable to start all procs; may have invalid machine names<BR> remaining specified hosts:<BR> 172.17.30.1 (<A target="_blank" href="http://rnode1.research.com">rnode1.research.com</A>)<BR> 172.17.30.4 (<A target="_blank" href="http://rnode4.research.com">rnode4.research.com</A>)<BR> 172.17.30.2 (<A target="_blank" href="http://rnode2.research.com">rnode2.research.com</A>)<BR> 172.17.30.3
(<A target="_blank" href="http://rnode3.research.com">rnode3.research.com</A>)<BR><BR>I can login with ssh on all of nodes,</DIV><DIV></DIV><DIV>I use mpdtrace command output is only </DIV><DIV>rserever</DIV><DIV></DIV><DIV>Please help me to run it on all of nodes</DIV><DIV></DIV><DIV>Thanks</DIV><DIV></DIV><DIV>Sima</DIV></DIV><BR>
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