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CMS Tier2 Belgium

CMS Tier2 Belgium Stijn De Weirdt (IIHE-VUB) Stijn.De.Weirdt@cern.ch. CMS Tier2 Belgium. LCG-France 14-15 Dec 05. Stijn De Weirdt. 1. 5 institutes: UA (Antwerp) UCL (Louvain-La-Neuve) ULB (Brussels) UMH (Mons) VUB (Brussels) 35+ physicists doing analysis. CMS Belgium: Institutes.

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CMS Tier2 Belgium

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  1. CMS Tier2 Belgium Stijn De Weirdt (IIHE-VUB) Stijn.De.Weirdt@cern.ch CMS Tier2 Belgium LCG-France 14-15 Dec 05 Stijn De Weirdt 1

  2. 5 institutes: UA (Antwerp) UCL (Louvain-La-Neuve) ULB (Brussels) UMH (Mons) VUB (Brussels) 35+ physicists doing analysis CMS Belgium: Institutes LCG-France 14-15 Dec 05 Stijn De Weirdt 2

  3. Physics interests: Higgs  WW ℓℓ- (ℓ),SUSY Higgses Top-physics High-energy electron pairs and Extra-Dimensions Physics with forward protons Belgian representatives are coordinating: Vertex reconstruction Tracker Data Handling (Local reconstruction, Calibrations (excluding alignment), Commissioning and Monitoring) CMS Belgium: Physics LCG-France 14-15 Dec 05 Stijn De Weirdt 3

  4. 2 research grids: Begrid, federal Used by 7 institutes 330 CPU, 4TB BelGrid, walloon Used by 5 institutes 70 CPU, 2TB For Grid research and promotion of Grid computing in scientific research and industry. Current state: grid activity in Belgium LCG-France 14-15 Dec 05 Stijn De Weirdt 4

  5. Local non-shared resources: 100+ CPU, 20+ TB CMS software installed OSCAR (detector simulation), ORCA (reconstruction), FAMOS (fast simulation) Crab (end-user analysis on Grid) PubDB (data publication) Phedex (data transfer) Current state: CMS computing LCG-France 14-15 Dec 05 Stijn De Weirdt 5

  6. Grid resources Being used by Belgian CMS people Analysis (crab+ORCA) Fast Simulation (crab+FAMOS) Full Simulation (homebrew scripts+OSCAR+ORCA) Only with/for local data Current state: CMS computing (2) LCG-France 14-15 Dec 05 Stijn De Weirdt 6

  7. Belgium has introduced budget requests to build a nominal CMS Tier2 Federated structure with 2 sites: UCL ULB-VUB Numbers: Future: CMS Requirements LCG-France 14-15 Dec 05 Stijn De Weirdt 7

  8. Most important: Storage (+100TB in 1.5y) Further deployment of storage solutions: dcache (maybe others, eg xrootd) Other points: Network tests (BW and stability to/from T1, eg CC-IN2P3) IO-tests: need to get 2MB/s/batch-slot CMS: data publication, PHEDEX, analysis on locally-hosted official data (+ similar tests for local data) Centralised site configuration Managed by Quattor 2006: Planning (I) LCG-France 14-15 Dec 05 Stijn De Weirdt 8

  9. Timetable 2006 (proposal): till 01/01: centralised site configuration 01/01-01/02: test CMS tools with at least one full official dataset in T2B (ready to do analysis) by 01/02 01/02-15/02: increased (80%) VO CMS trials 15/02-01/04: tests of Glite and/or new CMSSW 01/04-01/07: SC4 (must be rather stable by 01/03) 01/07-01/09 : ... (probably SC4 ;) 01/09-...: CSA06 Conclusion: we'll be busy. 2006: planning (II) LCG-France 14-15 Dec 05 Stijn De Weirdt 9

  10. LCG-France 14-15 Dec 05 Stijn De Weirdt 10

  11. LCG-France 14-15 Dec 05 Stijn De Weirdt 11

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