<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Hey Pavan,</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">I sparked a discussion on the github repo of Open MPI: <a href="https://github.com/open-mpi/ompi/issues/1511">https://github.com/open-mpi/ompi/issues/1511<br></a></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">But I assume that a docker-native execution model would also do for MPICH.</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Cheers</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Christian</div> <div id="bloop_sign_1459677250459522048" class="bloop_sign"></div> <br><p class="airmail_on">On 3 April 2016 at 05:18:36, Balaji, Pavan (<a href="mailto:balaji@anl.gov">balaji@anl.gov</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>
<br>Did you mean to send this to the Open MPI mailing list?
<br>
<br> -- Pavan
<br>
<br>> On Mar 31, 2016, at 12:56 PM, Christian Kniep <christian@qnib.org> wrote:
<br>>
<br>> Hey there,
<br>>
<br>> 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/
<br>>
<br>> I just used -mca plm_rsh_agent /opt/qnib/src/dssh with a rather simple script to use docker exec:
<br>>
<br>> #!/bin/bash
<br>>
<br>> REMOTE_HOST=$1
<br>> shift
<br>> set -x
<br>> docker -H
<br>> unix:///var/run/docker.sock
<br>> exec -i -u ${USER} ${REMOTE_HOST} $@
<br>>
<br>> Cheers Christian
<br>>
<br>>
<br>>
<br>>
<br>>
<br>>
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