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INFNGRID Technical Board, Feb

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Presentation on theme: "INFNGRID Technical Board, Feb"— Presentation transcript:

1 INFNGRID Technical Board, Feb 15-16 2005
ALICE “new” plans for LCG and INFNGRID Stefano Bagnasco I.N.F.N. Torino EGEE is a project funded by the European Union under contract IST

2 Alice DC 2004 Phase I: MC underlying raw event generation
On ALICE resources (AliEn) and LCG/INFNGRID through special interface sites No data management on LCG: all data shipped to CERN and saved on CASTOR Done Phase II: Merging + reconstruction On ALICE resources (AliEn) and LCG through interface site All reconstructed data stored locally : all services come into play Phase III: Chaotic interactive analysis Hic sunt leones… INFNGRID Technical Board, Feb

3 DC2004 Phase I & II Interface Site AliEn CE EDG UI AliEn SE EDG RB
Job submission Server EDG Site EDG CE EDG SE Status report WN AliEn PFN Data Registration PFN = LFN Data Registration LFN Data Catalogue Replica Catalogue LFN INFNGRID Technical Board, Feb

4 New framework layout LCG RB LCG Site (Monitoring not shown)
Job submission LCG CE Job DB LCG SE Submitter WN Data Registration Data Registration Top-level Catalogue Catalogue INFNGRID Technical Board, Feb

5 Shopping list Workload management
Job submitter (takes jobs from the Job DB and submits them to the NS) New AliRoot wrapper (replaces the AliEn one) Job tracking, logging and bookkeeping Tools to gather info from L&B databases (used to be done by AliEn jobwrapper reporting to the server) Data management and SE Relocation of existing data from Phase II to sites where gLite will be deployed Double registration still needed? Unique top-level catalogue consolidation Monitoring Upload of GridIce data to ALICE MonALISA-based monitoring display Interactivity Still a big issue… INFNGRID Technical Board, Feb

6 Timeline Tough question…
Start development, using a few sites: Torino, CNAF, Catania. This strategy proved itself very effective for quick prototyping of the tools. Possibly use also preproduction TB Whenever tools will be deemed effective, widen scope: first to LCG italian sites and then more. In parallel, try to find a viable solution for interactivity (GFAL + PROOF?). INFNGRID Technical Board, Feb

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