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    US ATLAS Computing Facility

    → US/Eastern
      • 13:00 → 13:10
        WBS 2.3 Facility Management News 10m
        Speakers: Eric Christian Lancon (BNL), Robert William Gardner Jr (University of Chicago (US))

        Apologies from Eric, Horst, Mark, Doug, Shawn, Mat, Brian

        • Quarterly reports for FY19Q4 (June through September 30, 2019) will be soon be due.
        • Please update http://bit.ly/usatlas-capacity with equipment brought online and spending activity
        • We've been asked to fill out survey from NSF Large Facilities and Cyberinfrastructure workshop.
        • WLCG SLATE Security working group met last week at Fermilab.  Charter writtend and agreed.  Rob and Romain Wartel co-conveners.  Deliverable is May 2020.  https://indico.fnal.gov/event/21485/
        • At last week's IRIS-HEP meeting, had session on SSL;  looking for Ops program funded sties to join the effort to build a resource for HL-LHC software R&D. 

         

      • 13:10 → 13:20
        OSG-LHC 10m
        Speakers: Brian Lin (University of Wisconsin), Matyas Selmeci

        Fires

        • Some Globus RPMs (gridftp, myproxy, and gsi-openssh) fail to install or update due to dependency issues. Aside for gsi-openssh on EL6 (which requires a more complicated fix), we have new builds for all of these in the OSG 3.4 and OSG 3.5 testing repos. We will release what we have today or tomorrow. Ticket: https://opensciencegrid.atlassian.net/browse/SOFTWARE-3828

        OSG 3.5

        OSG 3.4 and 3.5

         

      • 13:20 → 14:00
        Topical Report
      • 13:40 → 14:25
        US Cloud Status
        • 13:40
          US Cloud Operations Summary 5m
          Speaker: Mark Sosebee (University of Texas at Arlington (US))
        • 13:45
          BNL 5m
          Speaker: Xin Zhao (Brookhaven National Laboratory (US))
          • new purchase of computing nodes from supermicro are installed and open to jobs now
            • additional 75 kHS06, we are up to pledge now.
          • squid became overloaded sometimes due to huge amount of logging records to be sent to several monitoring services. 
            • Solved by tuning log rotation frequency on the squid servers.
        • 13:50
          AGLT2 5m
          Speakers: Philippe Laurens (Michigan State University (US)), Dr Shawn McKee (University of Michigan ATLAS Group), Prof. Wenjing Wu (Computer Center, IHEP, CAS)

          Operation:

          - no new ticket or known issue

          - worked on reducing the fraction of CPU time spent on BOINC
          computing by making use of cgroups, see Wenjing's presentation today

          New equipment:

          - the first 3 of 6 planned new R740XD2  (240TB usable each) have just arrived

        • 13:55
          MWT2 5m
          Speakers: Judith Lorraine Stephen (University of Chicago (US)), Lincoln Bryant (University of Chicago (US))

          Upgraded condor on all sites to 8.8.4.

          Upgraded analytics equipment to elasticsearch 7.3. Ongoing issues post-upgrade. Debugging ongoing.

          Discussing equipment purchases.

        • 14:00
          NET2 5m
          Speaker: Prof. Saul Youssef (Boston University (US))

           

          One old GGUS ticket remains.  Can be closed...

          https://ggus.eu/index.php?mode=ticket_info&ticket_id=142901

          Smooth operations, full site.  

          NESE preparations.

        • 14:05
          SWT2 5m
          Speakers: Dr Horst Severini (University of Oklahoma (US)), Kaushik De (University of Texas at Arlington (US)), Mark Sosebee (University of Texas at Arlington (US)), Patrick Mcguigan (University of Texas at Arlington (US))

          OU:

          - Nothing to report, running smoothly

          - Ordered 4 Cascade Lake servers, 2x Gold 6230 with 192 GB of RAM with remaining hardware funds

           

          UTA:

           No issues at UTA_SWT2, Looking at periodic problems in XRootD's checksums on very full disks.  One configuration change did not work, looking at implementing second this week.

           

        • 14:10
          HPC Operations 5m
          Speaker: Doug Benjamin (Duke University (US))
        • 14:15
          Analysis Facilities - SLAC 5m
          Speaker: Wei Yang (SLAC National Accelerator Laboratory (US))
        • 14:20
          Analysis Facilities - BNL 5m
          Speaker: William Strecker-Kellogg (Brookhaven National Lab)
      • 14:25 → 14:30
        AOB 5m