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ATLAS DDM Operations - I. Jiří Chudoba ATLAS meeting , 25 . 9 .2007, CNAF. Goals of the meeting. Share experience with ATLAS Data Management in cloud ATLAS DM at T1 ATLAS DM at T2 DPM management Check current status Try different tools Discuss ATLAS procedures. DDM Operations.
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ATLAS DDM Operations - I Jiří Chudoba ATLAS meeting, 25.9.2007, CNAF
Goals of the meeting • Share experience with • ATLAS Data Management in cloud • ATLAS DM at T1 • ATLAS DM at T2 • DPM management • Check current status • Try different tools • Discuss ATLAS procedures ATLAS DDM Operations
DDM Operations • DDM Operations group emerged in Feb 2006 • Coordinated by Alexei Klimentov • Members: • Cloud responsibles + some other people • Described on wiki: https://twiki.cern.ch/twiki/bin/view/Atlas/DDMOperationsGroup • and in note: • ATLAS Distributed Data management Operations (ATL-SOFT-PUB-2006-006, http://documents.cern.ch/cgi-bin/setlink?base=atlnot&categ=PUB&id=soft-pub-2006-006 ) ATLAS DDM Operations
Main tasks • DDM operation coordinator and central operations team • day-by-day data transfer between Tier-0 and Tier-1s • deployment of DDM/DQ2 releases • 24/7 support of central DDM operations facilities • support DDM Savannah users requests portal • keep data integrity • help ATLAS users to transfer data • communication with services developers and providers ATLAS DDM Operations
Tasks • Regional DDM operations group • day-by-day data transfer between Tier-1 and Tier-2s • day-by-day data transfer between Tier-1 and Tier-0 • data exchange between Tier-1s during RAW data reprocessing • DDM/DQ2 SW installation and maintenance on VO boxes • keep data integrity • help to ATLAS users to transfer data ATLAS DDM Operations
Manpower • Central group • big migration • weekly meetings Th 16:00 • Clouds: • Estimated 1.7-1.9 FTE per cloud FZK: Cedric Serfon, John Kennedy, Jiri Chudoba, Andrej Olszewski, Andreas Haupt, Martin Gasthuber, Gernot Krobath, David Meder-Marouelli, Torsten Harenberg, Kai Leffhalm, Sigve Haug, ... 10 T2 sites T1 contact: Andreas Heiss (non ATLAS) SARA: Jiri Chudoba + site contacts (non ATLAS) ATLAS DDM Operations
Cloud Coordination • FZK • monthly VRVS meetings with all sites’ representatives http://indico.cern.ch/categoryDisplay.py?categId=643 • wiki pages https://twiki.cern.ch/twiki/bin/view/Atlas/GridKaCloud • occasional face to face meetings • 4 countries (different languages, holidays) • SARA • wiki pages https://twiki.cern.ch/twiki/bin/view/Main/AtlasDDMatSARA • occasional meetings with SARA and NIKHEF administrators • T2’s in 2 different time zones ATLAS DDM Operations