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<DIV dir=ltr align=left><SPAN class=484301714-21072009><FONT color=#0000ff
size=2 face=Arial>Please see Section 5.1 of the MPICH2 installation guide. It
tells you how to launch processes and what you can do to debug if things don't
work.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=484301714-21072009><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=484301714-21072009><FONT color=#0000ff
size=2 face=Arial>Rajeev</FONT></SPAN></DIV><BR>
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<FONT size=2 face=Tahoma><B>From:</B> mpich-discuss-bounces@mcs.anl.gov
[mailto:mpich-discuss-bounces@mcs.anl.gov] <B>On Behalf Of </B>sima
sima<BR><B>Sent:</B> Tuesday, July 21, 2009 6:03 AM<BR><B>To:</B>
mpich2-maint@mcs.anl.gov; mpich-discuss@mcs.anl.gov; mpich2-dev@mcs.anl.gov;
mpich2-announce@mcs.anl.gov; mpich2-commits@mcs.anl.gov<BR><B>Subject:</B>
[mpich-discuss] Fw: unable to start all procs<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV style="FONT-FAMILY: " sans-serif;font-size:10pt? [Adobe]?, ?Helvetica
[urw]?, L Sans Nimbus>
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<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>
<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 href="http://rnode1.research.com"
target=_blank>rnode1.research.com</A>)<BR> 172.17.30.4 (<A
href="http://rnode4.research.com"
target=_blank>rnode4.research.com</A>)<BR> 172.17.30.2 (<A
href="http://rnode2.research.com"
target=_blank>rnode2.research.com</A>)<BR> 172.17.30.3 (<A
href="http://rnode3.research.com"
target=_blank>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></DIV></DIV></DIV><BR></BLOCKQUOTE></BODY></HTML>