[Halld-offline] Software Meeting Minutes, March 2, 2022
marki at jlab.org
Thu Mar 3 10:27:47 EST 2022
When I sent out the minutes yesterday, I neglected to include a link to
Bryan Hess's slides. You can find them here
The wiki version of the minutes have been updated.
On 3/2/22 7:43 PM, Mark Ito wrote:
> Please find the minutes here
> and below.
> -- Mark
> Minutes, GlueX Software Meeting, March 2, 2022
> Present: Alex Austregesilo, Nathan Brei, Sean Dobbs, Bryan Hess, Mark
> Ito (chair), Igal Jaegle, Richard Jones, David Lawrence, Curtis Meyer,
> Keigo Mizutani, Wesley Moore, Simon Taylor, Beni Zihlmann
> There is a recording of this meeting
> on the ZoomGov site. (Passcode: htzd69.p)
> Mark mentioned that there are *a series of pull requests from Simon*
> responding to a request from Richard to modify Simon's recent changes
> to the hddm_s schema, to support the CPP muon chambers, backward
> compatible with existing hddm data. The pull requests are for
> halld_recon, halld_sim, and hdgeant4. Once they work their way through
> the system, we will need a new version set.
> OSG/Offsite Computing Update
> Bryan brought us up-to-date with work over the last few years to stand
> up the infrastructure, both hardware and software, that allows us to
> use the OSG and other off-site computing resources. Please see his
> slides for the details. From the discussion:
> * With the new token-based authentication used in version 3.6, there
> is an issue with having multiple instances of the submit host on
> the same physical node. We need this to support the GlueX, JLab,
> and EIC VOs. A solutions is being developed.
> * Bryan described the difficulty in exposing our large Lustre
> partitions to access from offsite via XRootD.
> * He described the plan to use existing file servers to carve out
> space to serve out GlueX data on StashCache.
> * Wes gave some details on a problem accessing StashCache data via
> CVMFS from the farm. Work on this is on-going.
> * Sean mentioned the need for GlueX to communicate our ideas on
> OSG-related workflows to SciComp and for SciComp to keep us
> up-to-date with current work and new directions in this area.
> Along these lines, Wes expressed a desire for a channel where they
> can get feedback on solutions that SciComp is pursuing. We agreed
> that we should have regular meetings with interested parties to
> discuss these topics, much as they were discussed at today's
> meeting. Bryan will mention the concept at tomorrow's SciComp
> meeting (where the other Halls are represented), Sean will put
> together a list of the workflow ideas we are contemplating and
> Mark will arrange a kick-off meeting at the end of March.
> Review of Minutes from the Last Software Meeting]]
> We looked at the minutes from February 16th meeting
> We need to get going on a new system for producing containers. Related
> to that Mark is working on adjustments to our builds so that there is
> no difference between builds on the JLab CentOS 7 farm nodes and those
> produced with a CentOS 7 container. Then these two builds can be
> consolidated into one and this single build can be shipped to Oasis
> for use off-site.
> FAQ of the Fortnight: What do I have to know when transitioning
> from SWIF to SWIF2?
> We looked again at Alex's wiki page
> giving advice on the topic.
> Alex also mentioned that Chris Larrieu liked the related discussion on
> the Software Help list
> <https://groups.google.com/g/gluex-software/c/F3u3wQSS0CI>, but Chris
> lamented the fact that folks in the other Halls will not benefit from
> this and similar exchanges. Mark mentioned that we had proposed
> upgrading from Mailman
> some time ago, but that effort never got off the ground.
> Software Coordination
> We went over the list of responsibilities
> that will have to be taken over by others when the current Software
> Coordinator retires.
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