[mpich-discuss] hydra_pmi_proxy: No such file

Pavan Balaji balaji at mcs.anl.gov
Mon Oct 1 20:27:51 CDT 2012


The remote node doesn't seem to have MPICH2 installed (or at least not 
in the same location).  ssh to the remote node and see if 
/mirror/mpich2/bin/hydra_pmi_proxy is present.

On 10/01/2012 04:21 PM, Martin Gilchrist wrote:
> 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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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji


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