[mpich-discuss] ssh-less MPI using docker exec?

[Christian Kniep]

Hey Pavan,

I sparked a discussion on the github repo of Open MPI: https://github.com/open-mpi/ompi/issues/1511
But I assume that a docker-native execution model would also do for MPICH.

Cheers
Christian

On 3 April 2016 at 05:18:36, Balaji, Pavan (balaji at anl.gov) wrote:


Did you mean to send this to the Open MPI mailing list?  

-- Pavan  

> On Mar 31, 2016, at 12:56 PM, Christian Kniep <christian at qnib.org> wrote:  
>  
> Hey there,  
>  
> I tinkered around with a ssh-less openmpi and I was wondering if it could be implemented in a nicer way. http://qnib.org/2016/03/31/dssh/  
>  
> I just used -mca plm_rsh_agent /opt/qnib/src/dssh with a rather simple script to use docker exec:  
>  
> #!/bin/bash  
>  
> REMOTE_HOST=$1  
> shift  
> set -x  
> docker -H  
> unix:///var/run/docker.sock  
> exec -i -u ${USER} ${REMOTE_HOST} $@  
>  
> Cheers Christian  
>  
>  
>  
>  
>  
>  
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