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Status of Hoffmann Review of LHC computing

Status of Hoffmann Review of LHC computing. Overall Steering Group. Members : S. Bethke Chair H.F. Hoffmann CERN Director resp. for Sc. Computing D. Jacobs Secretary

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Status of Hoffmann Review of LHC computing

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  1. Status of Hoffmann Review of LHC computing F Harris Hoffmann Review Status

  2. Overall Steering Group • Members: S. Bethke Chair • H.F. Hoffmann CERN Director resp. for Sc. Computing • D. Jacobs Secretary • M. Calvetti Chair of the Mgmt and Resources Panel • M. Kasemann Chair of the Software Project Panel • D. Linglin Chair of the Computing Model Panel • In Attendance: Representative ( Alternate) • IT Division M. Delfino ( L. Robertson) • ALICE F. Carminati ( K. Safarik) • ATLAS N. McCubbin (G. Poulard) • CMS M. Pimia (H. Newman) • LHCb J. Harvey (M. Cattaneo) • Observers: R. Cashmore CERN Director for collider programmes • J. Engelen LHCC chairman F Harris Hoffmann Review Status

  3. LHCb Representation • Steering Group (J Harvey, M Cattaneo) • Software Project Panel (P Mato,O Callot) • World-wide Computing Model Panel (F Harris,M Schmelling) • Management and Resources Panel (J Harvey, J P Dufey) F Harris Hoffmann Review Status

  4. Software Project Panel -first questions and answers • 4 sets of detailed questions for each experiment • Process, Planning,Training and Milestones (Project Plan, Resources…..) • Architecture, Data Model and program infrastructure (GAUDI etc…) • Simulation and Physics (GEANT4 migration, geometry spec,generators, comp/physics…) • Non-experiment-specific software (what we expect from others..IT,commerce, etc.) • 1 hour on each of above on March 15 (I.e. 4 hours of LHCb presentations) • IT on March 14 will present on • LHC++ • GEANT4 • databases/event storage F Harris Hoffmann Review Status

  5. Overall planning for Software Panel (good example for the other panels!) • Mar 13-17 Presentations by expts and IT • Mar 27First internal rough draft + follow up questions • April 17 All experiment responses complete • May 8 Draft report complete - circulate to experiments • May 18 Deadline for correction and clarification • May 31 Final report given to Steering Group F Harris Hoffmann Review Status

  6. World Wide Panel - draft questions ( Schedule for reply - a half-day in period Mar 21-23.) • LHCb model with respect to MONARC models? • Our first thinking re regional centres distribution • Requirements at centres for storage and processing from now to 2005+ • ? Magnetic Tapes vs. Disks (what is our thinking) • LHCb and GRID activities • ? Mock data challenges and test-beds • Resource planning from now till 2005 • Expt plans vs. plans in countries - check consistency! F Harris Hoffmann Review Status

  7. Management and Resources Panel - Status • Met once on Feb 16 (JH,FH,JPD attended) • Agreed big overlap with World Wide Panel - must estimate resources and management for experiment computing • Mar 24 -Baseline computing plan based on existing h/w! • Apr 14 - Software planning (distribution of responsibilities) • As for software panel - aim to complete end May F Harris Hoffmann Review Status

  8. Summary of LHCb status re review Computer Model, Resources and Management • Have started on updating our data flow model and creating spreadsheets for requirements ( J Harvey, F Harris, G Corti) • Getting regional planning from country representatives • Brazil P Colrain(CERN) • CERN J Harvey(CERN) • France A Tsaregorodtsev(Marseille) • Germany M Schmelling(MPI Heid) • Italy D Galli(Bologna) • Holland M Merk(NIKHEF) • Poland M Witek(Cracow) • Russia I Belyaev(ITEP) • Spain J Saborido(Santiago) • Switzerland P Bartalini(Lausanne) • UK A Halley(Glasgow) T Bowcock will also act on WG (MC Farm) • Working meeting Friday 25 Feb 1400 304-1-001A Software Project • Pere and Olivier to generate a document answering questions (those that are answerable..) F Harris Hoffmann Review Status

  9. Draft Agenda for WG meeting Friday 25 Feb,1400,304-1-001A • Review questions regarding computing model and resources ( first discussion on our answers) • Information on GRID EU proposal • Update on UK status for LHC computing planning • Update on other LHCb countries (Germany,France, Italy,.....) • Summary of work needed by WG for the review F Harris Hoffmann Review Status

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