[mpich-discuss] Fw: unable to start all procs

[Rajeev Thakur]

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.
 
Rajeev


  _____  

From: mpich-discuss-bounces at mcs.anl.gov
[mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of sima sima
Sent: Tuesday, July 21, 2009 6:03 AM
To: mpich2-maint at mcs.anl.gov; mpich-discuss at mcs.anl.gov;
mpich2-dev at mcs.anl.gov; mpich2-announce at mcs.anl.gov;
mpich2-commits at mcs.anl.gov
Subject: [mpich-discuss] Fw: unable to start all procs




----- Forwarded Message ----
From: sima sima <simasima_64 at yahoo.com>
To: mpich2-maint at mcs.anl.gov
Sent: Tuesday, July 21, 2009 3:16:41 PM
Subject: unable to start all procs


Hi Dear 

I installed the mpich2-1.0.8 in a cluster with 30 node,
but when I use mpirun command for parallel run of WRF model such as
fallow :
[hamzelou at rserver run]$ mpirun -np 20 ../wrf.exe
the all of 20 prossesser go on rserver while it have only 5 prossesser,
then I used machinfile option 
[hamzelou at rserver run]$ mpirun -machinefile
/home/hamzelou/hamzehlou/machine20 -np 20 ./wrf.exe 
mpiexec: unable to start all procs; may have invalid machine names
  remaining specified hosts:
  172.17.30.1 (rnode1.research.com)
  172.17.30.4 (rnode4.research.com)
  172.17.30.2 (rnode2.research.com)
  172.17.30.3 (rnode3.research.com)

I can login with ssh on all of nodes,
I use mpdtrace command output is only 
rserever
Please help me to run it on all of nodes
Thanks
Sima



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