Week of 230327

WLCG Operations Call details

  • The connection details for remote participation are provided on this agenda page.

General Information

  • The purpose of the meeting is:
    • to report significant operational issues (i.e. issues which can or did degrade experiment or site operations) which are ongoing or were resolved after the previous meeting;
    • to announce or schedule interventions at Tier-1 sites;
    • to inform about recent or upcoming changes in the experiment activities or systems having a visible impact on sites;
    • to provide important news about the middleware;
    • to communicate any other information considered interesting for WLCG operations.
  • The meeting should run from 15:00 Geneva time until 15:20, exceptionally to 15:30.
  • The SCOD rota for the next few weeks is at ScodRota
  • Whenever a particular topic needs to be discussed at the operations meeting requiring information from sites or experiments, it is highly recommended to announce it by email to the wlcg-scod list (at cern.ch) to allow the SCOD to make sure that the relevant parties have the time to collect the required information, or invite the right people at the meeting.

Best practices for scheduled downtimes



  • local: Julia (WLCG), Maarten (ALICE+WLCG), Panos (WLCG)
  • remote: Christoph (CMS), Darren (RAL), David B. (IN2P3), David M. (FNAL), Douglas (BNL), Federico (LHCb), Nils (Computing Services), Peter (ATLAS), Ville (NDGF)

Experiments round table:

    • ASGC Stratum-1 up to date again since March 21
      • Not clear if the network issue is solved
    • Tickets were opened for HTCondor CE sites regarding
      the token configuration for ALICE
      • At some sites already in production now

Sites / Services round table:

  • ASGC:
  • BNL: NTR
  • EGI:
  • FNAL: dCache upgrade to 8.2 has been sucesful for Disk services, Tape services will follow in a couple of weeks.
  • IN2P3: NTR
  • JINR:
  • KISTI:
  • KIT: NTR
  • NL-T1:
  • NRC-KI:
  • OSG:
  • PIC: On Tuesday April 4th, PIC will be in complete scheduled downtime due to the building's yearly electrical maintenance. PIC will be in OUTAGE from 04-04-2023 04:00 [PIC local time] until 04-04-2023 23:59 [PIC local time]. HTCondor will be stopped at the beginning of the downtime.
  • RAL: NTR

  • CERN computing services:
    • CMS IAM CRIC Integration Release Wednesday 29th at 08:30 OTG:0076430 (postponed due to sickness)
  • CERN storage services:
  • CERN databases:
  • GGUS:
    • A new release is planned for Wed this week
      • Release notes
      • A downtime has been scheduled from 06:00 to 08:00 UTC
      • Test alarms should be submitted as usual
  • Monitoring:
  • Middleware: NTR
  • Networks: NTR
  • Security:


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Topic revision: r16 - 2023-03-27 - PanosPaparrigopoulos
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