You're getting that error because you failed to specify any hosts on your cmd line - so OMPI has no idea where to launch the procs. It looked for a default hostfile, but didn't find that either.
Just add a -host <hostname> option to your command line and tell it where you want the procs to run. On Jun 19, 2012, at 10:53 AM, <vimalmat...@eaton.com> wrote: > Damien, Shiqing, Jeff? > > -- > Vimal > > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of vimalmat...@eaton.com > Sent: Monday, June 18, 2012 3:32 PM > To: us...@open-mpi.org > Subject: [OMPI users] Using OpenMPI on a network > > So I configured and compiled a simple MPI program. > Now the issue is when I try to do the same thing on my computer on a > corporate network, I get this error: > > C:\OpenMPI\openmpi-1.6\installed\bin>mpiexec MPI_Tutorial_1.exe > -------------------------------------------------------------------------- > Open RTE was unable to open the hostfile: > C:\OpenMPI\openmpi-1.6\installed\bin/../etc/openmpi-default-hostfile > Check to make sure the path and filename are correct. > -------------------------------------------------------------------------- > [SOUMIWHP5003567:01884] [[37936,0],0] ORTE_ERROR_LOG: Not found in file > C:\OpenM > PI\openmpi-1.6\orte\mca\ras\base\ras_base_allocate.c at line 200 > [SOUMIWHP5003567:01884] [[37936,0],0] ORTE_ERROR_LOG: Not found in file > C:\OpenM > PI\openmpi-1.6\orte\mca\plm\base\plm_base_launch_support.c at line 99 > [SOUMIWHP5003567:01884] [[37936,0],0] ORTE_ERROR_LOG: Not found in file > C:\OpenM > PI\openmpi-1.6\orte\mca\plm\process\plm_process_module.c at line 996 > > What network settings should I be using? I’m sure this is because of the > network because when I unplug the network cable, I get the error message I > got below. > > Thanks, > Vimal > > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Damien > Sent: Friday, June 15, 2012 3:15 PM > To: Open MPI Users > Subject: Re: [OMPI users] Building MPI on Windows > > OK, that's what orte_rml_base_select failed means, no TCP connection. But > you should be able to make OpenMPI & mpiexec work without a network if you're > just running in local memory. There's probably a runtime parameter to set > but I don't know what it is. Maybe Jeff or Shiqing can weigh in with what > that is. > > Damien > > On 15/06/2012 1:10 PM, vimalmat...@eaton.com wrote: > Just figured it out. > The only thing different from when it ran yesterday to today was I was > connected to a network. So I connected my laptop to a network and it worked > again. > > Thanks for all your help, Damien! > I’m sure I’m gonna get stuck more along the way so hoping you can help. > > -- > Vimal > > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Damien > Sent: Friday, June 15, 2012 2:57 PM > To: Open MPI Users > Subject: Re: [OMPI users] Building MPI on Windows > > Hmmm. Two things. Can you run helloworldMPI.exe on it's own? It should > output "Number of threads = 1, My rank = 0" > > Also, can you post the output of ompi_info ? I think you might still have > some path mixups. A successful OpenMPI build with this simple program should > just work. > > If you still have the other OpenMPIs installed from the binaries, you might > want to try uninstalling all of them and rebooting. Also if you rebuilt > OpenMPI and helloworldMPI with VS 2010, make sure that helloworldMPI is > actually linked to those VS2010 OpenMPI libs by setting the right lib path in > the Linker options. Linking to VS2008 libs and trying to run with VS2010 > dlls/exes could cause problems too. > > Damien > > On 15/06/2012 11:44 AM, vimalmat...@eaton.com wrote: > Hi Damien, > > I installed MS Visual Studio 2010 and tried the whole procedure again and it > worked! > That’s the great news. > Now the bad news is that I’m trying to run the program again using mpiexec > and it won’t! > > I get these error messages: > orte_rml_base_select failed > orte_ess_set_name failed, with a bunch of text saying it could be due to > configuration or environment problems and will make sense only to an OpenMPI > developer. > > Help! > > -- > Vimal > > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Damien > Sent: Thursday, June 14, 2012 4:55 PM > To: Open MPI Users > Subject: Re: [OMPI users] Building MPI on Windows > > You did build the project, right? The helloworldMPI.exe is in the Debug > directory? > > On 14/06/2012 1:49 PM, vimalmat...@eaton.com wrote: > No luck. > Output: > > Microsoft Windows [Version 6.1.7601] > Copyright (c) 2009 Microsoft Corporation. All rights reserved. > > C:\Users\...>cd "C:\Users\C9995799\Downloads\helloworldMPI\Debug" > > C:\Users\...\Downloads\helloworldMPI\Debug>mpiexec -n 2 helloworldMPI.exe > -------------------------------------------------------------------------- > mpiexec was unable to launch the specified application as it could not find > an e > xecutable: > > Executable: helloworldMPI.exe > Node: SOUMIWHP5003567 > > while attempting to start process rank 0. > -------------------------------------------------------------------------- > 2 total processes failed to start > > C:\Users\...\Downloads\helloworldMPI\Debug> > > -- > Vimal > > From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On > Behalf Of Damien > Sent: Thursday, June 14, 2012 3:38 PM > To: Open MPI Users > Subject: Re: [OMPI users] Building MPI on Windows > > Here's a MPI Hello World project based on your code. It runs fine on my > machine. You'll need to change the include and lib paths as we discussed > before to match your paths, and copy those bin files over to the Debug > directory. > > Run it with this to start: "mpiexec -n 1 helloworldMPI.exe". Then change > the -n 1 to -n x where x is the number of cores you have. Say yes to > allowing mpiexec firewall access if that comes up. > > If this bombs out, there's something wrong on your machine. > > Damien > > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
