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Swiss Grid Operations Meeting on 2021-06-17 at 13:00

Next meeting:

8 July 2021 @ 14h00


CHIPP computing steering group:

the group has been re-organized leading from one member/insitute to one member/experiment (mirroring the technical group).

The members are:

- ATLAS: Steven Schramm (UniGe)

- CMS: Clemens Lange (PSI)

- LHCb: Lesya Shchutska (EPFL)

ATLAS report:

There seems to be an inconsistency in the disk size reported in the table and the one in CRIC 1904TB ?

DPM migration, situation clarified:

we can move to the new storage hw (noew received - see Nick slides) and then decommision the old DPM "test-hw" and keep the federation

At the moment the ATLAS Tier-2 report correclty contains the officlal tables. In this way on the other hand we miss the usual sanity check between "Nick's numbers" and "Gianfranco's numbers". It would be useful to also report the ATLAS numbers refering to the pledges asked at CSCS.

CSCS report:

Pablo: it would be useful to also past the plot with the number of pending jobs to simplify the understand of the "Running cores" plot

New plot showing directly HS06 simplifies the comparison with pledges

WLCG final pledges for 2022 to be frozen in CRIC by Sept 30.

Discussion has started

Followup from previous Action Items

Action items




T2 Sites reports



  • Steady operation with >2.7x pledge deliver. 7.9k avg running slots
  • Ubelix contributing 50% of the delivered HS06 in May
  • Playing with ways of focussing analysis jobs on one specific facility while respecting ATLAS global shares and priorities for analys and various production activities at the site

T3 Sites reports




  • APEL migration from ActiveMQ to AMS
    • ActiveMQ will be turned off by and of June
    • Requires upgrade of ARC to 6.12.0 with a minor arc.conf change (see relevant GGUS tickets)
  • Updated baseline versions due to security (please upgrade at the earliest convenience)

    • frontier-squid to 4.15
    • singularity (for those that have privileged installations) to 3.7.4

  • Yearly review of site contacts and personell in GOCDB:

    (please see the relevant email circulated earlier today)

    UNIGE-DPNC => check site entry status (action on ATLAS CH)

Review of open tickets


10 of 10 Tickets
Ticket-ID Type VO Site Priority Resp. Unit Status Last Update Subject Scope
152533   none UNIGE-DPNC urgent NGI_CH in progress 2021-06-17 APEL migration from ActiveMQ to AMS - ... EGI
152439   none CSCS-LCG2 urgent NGI_CH assigned 2021-06-11 APEL migration from ActiveMQ to AMS - ... EGI
152291   none   less urgent NGI_CH in progress 2021-06-17 yearly review of the information ... EGI
152166   cms CSCS-LCG2 urgent NGI_CH assigned 2021-06-17 CMS Frontier squids at T2_CH_CSCS WLCG
152070   cms CSCS-LCG2 urgent NGI_CH involved assigned 2021-06-14 SAM tests failing at T2_CH_CSCS WLCG
152033   cms CSCS-LCG2 urgent NGI_CH in progress 2021-06-10 Erroneous consistency check endpoint at ... WLCG
151997   cms CSCS-LCG2 urgent NGI_CH assigned 2021-05-14 WebDAV protocol deployed (T2_CH_CSCS) WLCG
151265   cms CSCS-LCG2 less urgent NGI_CH on hold 2021-04-09 Enabling WebDAV on Production ... WLCG
150373   dune UNIBE-LHEP less urgent NGI_CH in progress 2021-05-14 Enable DUNE queue for CPU and future ... EGI
144485   none CSCS-LCG2 less urgent NGI_CH assigned in progress 2021-04-14 Upgrade to recent dCache release EGI
  • Attendants
  • CSCS: Nick, Pablo, Dario
  • CMS: Derek, Mauro
  • ATLAS: Steven
  • LHCb: Roland
  • EGI:

Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf ATLAST2ReportMay2021.pdf r1 manage 341.7 K 2021-06-17 - 10:25 GianfrancoSciacca ATLAS CH Tier2 report
PDFpdf CHIPPreportJun2021.pdf r1 manage 1237.6 K 2021-06-17 - 11:01 NickCardo CSCS Site Report
PDFpdf wlcg-swissops-cms-20210617.pdf r2 r1 manage 2956.3 K 2021-06-17 - 12:16 DerekFeichtinger  
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Topic revision: r10 - 2021-06-21 - ClemensLange
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