WLCG Operations Coordination Minutes - VIRTUAL - January 8th, 2015



  • VIRTUAL meeting - please post reports below by January 8th, 2015.

Operations News

Middleware News

Tier 0 News

Tier 1 Feedback

Tier 2 Feedback

Experiments Reports


  • very high activity during the end-of-year break and still ongoing this week
    • our thanks go to the sites for their good performance!
    • 1 team ticket needed to be opened for CERN: cvmfs-alice.cern.ch was down (GGUS:110968)
  • ARC CE SAM tests:
    • direct job submission probe needs to be debugged further



  • Production/Processing overview
    • Had some Xmas production
    • Was rather stable and only a few site issues
  • Disks at some Tier-1 sites are rather full
    • Needs cleanup from the CMS production side
    • T1_FR_CCIN2P3 has been integrated into Dynamic Data Management during Xmas holidays
      • further Tier-1 centers are being integrated right now: T1_DE_KIT and T1_ES_PIC are next (most urgent)
      • The integration will be coordinated with the CMS site contacts
  • 50% of Tier-1 capacity multi-core enabled
    • If site has dedicated multi-core resources, it should provide this fraction
    • Will be partly used in "partitional slot mode" (Running n single-core jobs in n core multi-core pilot)
    • Long lifetime of pilots preferred -- what is still feasible for the sites?
  • In progress of moving CRAB and central production into a single global Condor pool


WLCG critical services

Ongoing Task Forces and Working Groups

gLExec Deployment TF

  • NTR

Machine/Job Features

Middleware Readiness WG

Multicore Deployment

IPv6 Validation and Deployment TF

Squid Monitoring and HTTP Proxy Discovery TFs

Network and Transfer Metrics WG

Action list

  • ONGOING on the experiments: check the usage statistics of the AFS UI, report on the use cases at the next meeting.
    • Tier-0 to provide full usage statistics weekly if possible; separately for the AFS UI and the AFS certificates dir.
  • ONGOING on the WLCG monitoring team: evaluate whether SAM works fine with HTCondor CE. Status: HT-Condor CE tests enabled in production on SAM CMS; sites publishing sam_uri in OIM will be tested via HTCondor (all others via GRAM). Number of CMS sites publishing HTCondor-CE is increasing.
    • Ongoing discussions on publication in AGIS for ATLAS.
  • ONGOING on experiment representatives - report on voms-admin test feedback
    • Experiment feedback and feature requests collected in GGUS:110227
  • ONGOING on Andrea Sciabà - review the critical services table


  • Next meeting on January 22nd, 2015.

-- NicoloMagini - 2014-12-18

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Topic revision: r3 - 2015-01-08 - ChristophWissing
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