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<p>Folks,</p>
<p>Please find the minutes below and at</p>
<p>
<a class="moz-txt-link-freetext" href="https://halldweb.jlab.org/wiki/index.php/GlueX_Containers_Meeting,_April_27,_2018#Minutes">https://halldweb.jlab.org/wiki/index.php/GlueX_Containers_Meeting,_April_27,_2018#Minutes</a></p>
<p> -- Mark</p>
<p>___________</p>
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<h2 id="firstHeading" class="firstHeading" lang="en"><span
dir="auto">GlueX Containers Meeting, April 27, 2018</span><span
class="mw-headline" id="Minutes">, Minutes</span></h2>
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lang="en">
<p>Present: Richard Jones, Mark Ito, Thomas Britton, Sean
Dobbs
</p>
<h3><span class="mw-headline"
id="Notes_from_the_last_Containers_Meeting">Notes from
the last Containers Meeting</span></h3>
<p>We went over the <a
href="https://halldweb.jlab.org/wiki/index.php/GlueX_Containers_Meeting,_April_13,_2018"
title="GlueX Containers Meeting, April 13, 2018">notes</a>
</p>
<ul>
<li> Still no progress on a unified Singularity
container for grid and non-grid use. This needs to get
done.</li>
<li> Sean sent Mark a <a rel="nofollow" class="external
text"
href="https://opensciencegrid.github.io/docs/data/install-xrootd/">link
to XROOTD instructions</a> from the OSG. Mark has
started going down that road. Turns out XROOTD is
available as an RPM from the EPEL repository on RHEL7!</li>
<li> The large bggen simulation on the OSG has been hung
up on a build problem on the target git branch and
lack of random trigger file skims. The build problem
(with creating the HDDM Python module has been
sidestepped on the branch for now.</li>
</ul>
<h3><span class="mw-headline"
id="Running_Private_Plug-Ins_on_the_Grid">Running
Private Plug-Ins on the Grid</span></h3>
<p>Thomas raised the issue. If users would like to have
their private plugins run as part of a
collaboration-blessed grid campaign, we need a mechanism
for getting that done. Private code is not (at present)
served by CVMFS. Thomas noted that the same issue
obtains with private event generators.
</p>
<p>Richard recounted a story from an ALICE collaborator.
They simply do not allow such things.
</p>
<p>We settled on a provisional solution: collaborators who
need private code must first check in their plugin on
the sim-recon tree. Then inclusion on CVMFS is
relatively easy.
</p>
<h3><span class="mw-headline" id="Container_News_from_FSU">Container
News from FSU</span></h3>
<p>Sean reported that he used our <a
href="https://halldweb.jlab.org/wiki/index.php/HOWTO_use_the_GlueX_Singularity_Container"
title="HOWTO use the GlueX Singularity Container">Singularity
container system</a> (such as it is) to run jobs on
the FSU HPC cluster. Turns out it was not that hard.
</p>
<p>Thomas promised SLURM support in MCwrapper in the
future.
</p>
<h3><span class="mw-headline" id="Meeting_Time">Meeting
Time</span></h3>
<p>Now that the semester is over and major issues have
been dealt with we agreed to fold container meeting
topics into the bi-weekly Offline Software Meetings
(OSM) and stop these stand-alone containers meetings.
The next OSM is in a week. Thomas is your guest
chairman.
</p>
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