Week of 120806

Daily WLCG Operations Call details

To join the call, at 15.00 CE(S)T Monday to Friday inclusive (in CERN 513 R-068) do one of the following:

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  3. The scod rota for the next few weeks is at ScodRota

WLCG Service Incidents, Interventions and Availability, Change / Risk Assessments

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Monday

Attendance: local();remote().

Experiments round table:

  • ATLAS reports -
    • T1s:
      • PIC: Issue exporting T0 data to PIC during the night. GGUS:84833. Solved this morning. From PIC: "We had a huge load on ATLAS pools due to data replication to a new hardware. It was solved more than one hour ago but we'll keep the ticket opened a couple of hours until we are sure that current load won't affect data transfers anymore."

  • CMS reports -
    • LHC machine / CMS detector
      • Not much data this weekend due to series of unfortunate events.
    • CERN / central services and T0
      • Had to delay prompt reconstruction of some recent runs because of a problem updating databases that is still being investigated.
      • Some files have been inaccessible from Castor, see INC:151642.
    • Tier-1/2:
      • ASGC is having downtime today to fix Castor problems. Currently have open tickets for Hammercloud (GGUS:84658), SUM test (GGUS:84632), and MC production (SAV:130787).
    • Other:
      • Daniele Bonacorsi is the next CRC.

  • LHCb reports -
    • Ongoing issues with RAW export to Gridka. Still many files in "Ready" status. Very low transfer rate. Latest updates on tickets say that CERN see SRM timeouts? (GGUS:84550, GGUS:84778 (Alarm), GGUS:84670)
    • T1:
      • GridKa: Very low space left on GridKa-Tape cache. Possibly related related to above. Ticket opened (GGUS:84838)
      • IN2P3: Investigating why pilots aren't using CVMFS both here and at the Tier2. This caused some job failures last week.

Sites / Services round table:

AOB:

Tuesday

Attendance: local();remote().

Experiments round table:

Sites / Services round table:

AOB:

Wednesday

Attendance: local();remote().

Experiments round table:

Sites / Services round table:

AOB:

Thursday

Attendance: local();remote().

Experiments round table:

Sites / Services round table:

AOB:

Friday

Attendance: local();remote().

Experiments round table:

Sites / Services round table:

AOB:

-- JamieShiers - 02-Jul-2012

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Topic revision: r3 - 2012-08-06 - AndreaValassi
 
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