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WLCG Management Board #331

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513/R-068 (CERN)

513/R-068

CERN

19
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Simone Campana (CERN)
Description

16:00 CERN/10:00 EDT/09:00 CDT

URL for the ZOOM call: https://cern.zoom.us/j/66011416092  (the passcode has been distributed by email)

To join by phone (see the dedicated support page):
1) dial your local ZOOM number (e.g. +41432107108) then enter the MB meeting ID  660 1141 6092 then #
2) mute your phone (there is no auto-mute facility)
Note: calls are charged to the caller (there is no callback facility)

Email Distribution List: worldwide-lcg-management-board@cern.ch
Email List Archive: worldwide-lcg-management-board (requires CERN authentication)
Minutes: Management Board Meeting Minutes
Action List: MbActionList
See also the: WLCG Document Repository,  WLCG Web Site

WLCG Management Board
Zoom Meeting ID
66011416092
Host
Andrea Sciabà
Alternative hosts
Simone Campana, Maarten Litmaath
Useful links
Join via phone
Zoom URL
    • 16:00 → 16:05
      Minutes and Matters Arising 5m
      • Input for pledges and October RRB report 1m

        Reminder: the deadline for submitting the 2026 pledges and the information for the WLCG report of the October RRB is September 15th.

        (see emails by Cath)

      • Factual comments to the LHCC report on Analysis Infrastructures 1m

        As no factual comments were received (see Gdoc), we conclude that there are none.

      • HSF representation 1m
        • HSF WLCG MB community software liaison finishing term end-of-Aug (Eduardo)
          • Eduardo will still attend the September LHCC and will prepare the RRB report for the September deadline
        • Please send proposals, idea comments to Lcg.Office@cern.ch
          • We wrap up at next MB (if physical) or via emails -- Aug 12th
      • AlmaLinux and Nvidia 5m
        Speaker: Alex Iribarren (CERN)

        AlmaLinux is not officially supported by Nvidia. In order for it to become a supported platform, there should be pressure from user communities, like WLCG. We would like the MB to consider sending an email to Nvidia on behalf of WLCG. A possible text might be:

        To whom it may concern:

        The Worldwide LHC Computing Grid (WLCG) Collaboration provides the infrastructure that supports the computing needs of the CERN experiments at the Large Hadron Collider. This infrastructure spans approximately 150 data centers across more than 40 countries, offering over one million CPU cores and 3 exabytes of storage.

        There is a rapid growth in demand for GPU capacity in WLCG and particularly NVIDIA GPUs. Many data centers in WLCG use AlmaLinux as the distribution for the operating system. In this context, official support for AlmaLinux from NVIDIA would significantly ease integration and deployment of GPU resources, helping us to scale efficiently and reliably.

        We kindly urge NVIDIA to consider adding AlmaLinux as a supported platform in your software stack. Such support would be of great value to the global scientific computing community.

        Best Regards

        XXX for the WLCG Collaboration

    • 16:05 → 16:10
      Action List Review 5m
    • 16:10 → 16:20
      WLCG Service Report 10m
      Speakers: Panos Paparrigopoulos (CERN), Maarten Litmaath (CERN)
      WLCG-svc-report-250715.pdf
      WLCG-svc-report-250715.pptx
    • 16:20 → 16:30
      TCB Report 10m
      Speakers: Alessandro Di Girolamo (CERN), James Letts (Univ. of California San Diego (US))

      A meeting of the TCB took place on Thursday, July 2nd [1], where “facilitators” were matched with several of the chapters of the WLCG Technical Roadmap (TR) document. Follow up emails went out last week on the next steps with the TR, as well as following up with OTF#5 [2] on resource provisioning with k8s. The next TCB meeting has been scheduled for Thursday, August 28th at 15:00 (CERN) [3].

      Planning for OTF#6 [4] in September and OTF#7 [5] co-hosted with the FTS & XRootD workshop at PIC in October is underway. OTF#8 originally planned for late November or early December could be merged into the December WLCG Workshop at CERN.

      [1] https://indico.cern.ch/event/1562052/

      [2] https://indico.cern.ch/event/1552799/

      [3] https://indico.cern.ch/event/1568456/

      [4] https://indico.cern.ch/event/1562124/

      [5] https://indico.cern.ch/event/1562125/

    • 16:30 → 16:40
      Proposal to test the removal of IPv4 from LHCOPN for BNL and FNAL 10m
      Speaker: Edoardo Martelli (CERN)
      IPv6-only LHCOPN.pdf
      Twiki WLCG IPv6 Task Force
    • 16:40 → 16:50
      Commissioning plans for UPB 10m
      Speakers: Irakli Chakaberia (Lawrence Berkeley National Lab. (US)), Mihai Carabas (National University of Science and Technology POLITEHNICA Bucharest (RO))
      UPB Proto T1 progress report #1 (MB 15 July).pdf
    • 16:50 → 17:00
      Commissioning plans for T1_PL_NCBJ 10m
      Speakers: Elizabeth Sexton-Kennedy (Fermi National Accelerator Lab. (US)), Phat Srimanobhas (Chulalongkorn University (TH)), Stephan Lammel (Fermi National Accelerator Lab. (US))
      250715 - CMS - WLCG MB.pdf
    • 17:00 → 17:05
      AOB 5m
      • Next MB Meeting: Tuesday 16 September 2025 1m
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