1. RCF Status One issues with the Mass Storage System (HPSS) –On 1/1 at 2:40 PM the core server process stopped working –Was automatically restarted by heartbeat mechanism –Storage service was resumed at 3 PM Network Services –The Network Links between the Counting Houses and the RCF Storage Services have been stable and perform according to the specifications –Bottleneck due to interference between STAR and ATLAS data flows crossing the same “Firewall” module Network Architecture review and redesign in 2008 –Vastly distributed computing system needs appropriate communication channels

2. ATLAS Traffic through Firewall Module ATLAS dCache maintenance Firewall starts dropping packets Firewall S1 S2 Weekly Monthly

3. Raw Data Volume collected since 11/26 11/2601/07 60 TB STAR Raw Data 300 TB PHENIX Raw Data

4. Results from Data Taking STAR PHENIX 3 Gigabits/second PHENIX / RCF Network Link (10 Gbps max.) Pre-Christmas Transfers 1.6 TB1.6 TB 1500 Megabits/second STAR / RCF Network Links (2 * 1 Gbps max.)