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Weekly RCF Status Update: Data Migration and Performance Overview

The RCF has experienced smooth operations over the past week with no reportable incidents involving the Mass Storage System (HPSS), Tape Libraries, or the Network. Data from PHENIX and STAR Counting Houses was successfully migrated to tape, with initial observations of increasing aggregate data rates. Since the start of Run 12, PHENIX and STAR have accumulated approximately 495TB of RAW data. However, data rates have decreased for both experiments in recent days due to external factors, yet there remains sufficient capacity on a single 10 Gbps link for further data handling.

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Weekly RCF Status Update: Data Migration and Performance Overview

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  1. RCF Status • Smooth operation over the course of last week • No reportable incidents of the Mass Storage System (HPSS), the Tape Libraries and the Network • Data received from PHENIX & STAR Counting Houses was safely migrated to Tape • Initially observed increasing aggregate data rates from the Counting Houses to RCF • PHENIX & STAR have accumulated ~495TB of RAW data since the start of Run12 (next slide) • Data rate has been lower for both experiments in the last few days

  2. Physics Raw Data Volume collected & archived hiE pp loE pp AU PHENIX Raw Data 180 TB 4980 TB 2/10 3/05 STAR Raw Data 315 TB 3210 TB 02/10 03/09

  3. PHENIX and STAR Data Rate & Transfer Patternon the link between PHENIX and STAR Counting Houses (CH) Last 7 Days (03/02-03/09) PHENIX CH => RCF STAR CH => RCF 4 Gbps 6 Gbps Since Run12 started PHENIX CH => RCF STAR CH => RCF • PHENIX and STAR have headroom on a single 10 Gbps link between their CHs and RCF • Data rate for both experiments has been lower in the last few days Mock Data Challenge 8 Gbps 2 Gbps Run12 Data Taking STAR

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