[mpich-discuss] hydra_pmi_proxy: No such file

[Martin Gilchrist]

Hi Anthony.
 
That does run successfully but doesn't exercise the file of hosts.
 
I was using mpiexec -f machinefile -n 2 ./cpi
 
where machinefile has two lines
 
martin-desktop
<hostname of machine where ./cpi is launched>     
 
Martin.  

________________________________
 From: Anthony Chan <chan at mcs.anl.gov>
To: Martin Gilchrist <gilchrist.martin at yahoo.com>; mpich-discuss at mcs.anl.gov 
Sent: Monday, October 1, 2012 1:49 PM
Subject: Re: [mpich-discuss] hydra_pmi_proxy: No such file
  

If cpi is on a shared filesystem, try "mpiexec -n 4 ./cpi"

----- Original Message -----
> Hi.
> 
> This is my first time using mpi-discuss, so if this is the wrong
> location for my question please let me know.
> 
> I am trying to run the "cpi" program and am getting the message:
> 
> bash: /mirror/mpich2/bin/hydra_pmi_proxy: No such file or directory.
> 
> I have set up a 2 machine "cluster" using the directions from the
> Ubuntu documentation at:
> 
> 
> https://help.ubuntu.com/community/MpiClusterUbuntu
> 
> 
> I can ssh into each machine from the other.
> 
> which mpiexec
> 
> returns
> 
> /mirror/mpich2/bin/mpiexec
> 
> so the file is there.
> 
> My guess is that hydra should be running on all nodes but when I do a
> ps aux | grep hydra I do not see that it is running.
> 
> Have I missed something obvious?
> 
> Thanks.
> Martin
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