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Update on HPSS Data Mover Issue and Storage System Status

Recent replacement of failed disk in the HPSS system, current system exercise status, and upcoming production schedule. Flexibility in RACF Storage Architecture facilitates data resource movement between experiments. Data volumes and migration rates provided.

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Update on HPSS Data Mover Issue and Storage System Status

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  1. RCF Status • No Events related to Mass Storage System (HPSS), Tape Libraries and Networks • Update on PHENIX HPSS Data Mover problem • Temporarily fixed the problem two weeks ago by replacing the failed PHENIX disk with ATLAS disk (including the controllers) • Replacement Controller arrived a week ago • System being exercised following re-installation • Expect moving it back to production later this or early next week • Flexibility in RACF Storage Architecture allows to easily move resources between Experiments in case of failures

  2. Raw Data Volume collected & archived since 11/26/07 PHENIX Raw Data 490 TB STAR Raw Data 130 TB 11/26 02/19

  3. Results from Data Taking STAR PHENIX 800 Megabits/second 3 Gigabits/second STAR / RCF Network Links (2 * 1 Gbps max.) PHENIX / RCF Network Link (10 Gbps max.) Data Migration to Tape 18 TB/Day 9 TB/Day

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