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*Go to [[https://twiki.cern.ch/twiki/bin/view/LCG/Planning][LCG Planning Wiki]]*, \ *[[SitesPlans][Sites Milestones Plans]]* --- ---+ Tier-1 Tier-2 Transfers Plan for INFN *Modified on: %REVINFO{"$date"}%* <PRE> Date: Wed, 25 Jan 2006 15:16:26 +0100 From: Luca dell'Agnello, Tiziana Ferrari * Tier-2s Currently only a list of candidate Tier-2 sites is available: BARI ALICE, CMS CATANIA ALICE LNF GSSDATLAS LNL ALICE, CMS MILANO GSSDATLAS NAPOLI GSSDATLAS PISA CMS ROMA1 GSSDATLAS, CMS TORINO ALICE CNAF LHCb The LHCb Tier-2 at CNAF will be colocated with the Tier-1. * SRM ** December 2005: 60% of sites have working SRM interface ** End of March 2006: All sites (including Tier-1) will be able to transfer files using FTS and SRM 2.1 ** March - April 2006: Test of interoperability between Tier-1 and Tier-2s * FTS ** December 2005: FTS client configured for 60% sites ** December 2005: 60% of Tier-1 <--> Tier-2 channels configured ** End of January 2006: Evaluation of requirements for an Intra-Tier-2 FTS channel infrastructure ** End of February 2006: All Tier-2 sites have FTS client configured ** End of March 2006: Implementation and testing of Intra-Tier-2 FTS channel infrastructure completed (Use case to be verified) * Tier-1 - Tier-1 transfers ** End of January 2006: Definition of intra Tier-1 transfer requirements ** End of February 2006: Implementation of dedicated path to FZK Tier-1 * Tier-1 - Tier-2s transfers ** Second half of March 2006: peak rate tests Tier-1 to Tier-2s ** Seconf half of March 2006: short (~ 2 days) individual sustained tests to all Tier-2s ** First half of April 2006: sustained transfer tests Tier-1 to all Tier-2s (target rates according to the table below) ** Second half of April 2006: aggregate Tier-2 to Tier-1 transfers at target rate as specified in the table below Tier-2 exp IN rate (Mb/s) OUT rate (Mb/s) ----------------------------------------------------------------------- BARI ALICE, CMS 320 120 CATANIA ALICE 120 15 LNF GSSDATLAS 120 15 LNL ALICE, CMS 320 120 MILANO GSSDATLAS 120 15 NAPOLI GSSDATLAS 120 15 PISA CMS 220 120 ROMA1 GSSDATLAS, CMS 320 120 TORINO ALICE 120 15 * Tier-2 - Tier-2 Transfers (Use case to be understood) ** Second half of April: for each experiment, peak rate tests for every Tier-2 to a given other Tier-2 of choice ** Second half of April: sustained transfer (for every Tier-2) at target rate (as in table above) in parallel with sustained transfer from Tier-1 to that given Tier-2 (in order to verify the concurrency of read/write operations) * LFC ** End of February 2006: LFC installed at each Tier-2 * VO Boxes ** Vo boxes currently installed at Tier-1 but subject to results of the review (January 2006) ** Installation in Tier-2s TBD </PRE>
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Topic revision: r3 - 2007-02-02
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