1. AMS02 Software and Hardware Evaluation A.Eline

2. Outline  AMS SOC  AMS POC  AMS Gateway Computer  AMS Servers  AMS ProductionNodes  AMS Backup Solution  AMS02 Benchmarks  AMS Computing requires for 2008  Summary

3. AMS SOC configuration.  AMS Gateway Computer, HTTP and AFS server. (1)  AMS DataBase, Production Server (1)  AMS AFS/DataBase Backup Server (1)  File servers. (2)  Production nodes. (6/8)

4. AMS POC configuration  Data Relay computers for receiving, buffering, archiving and sending to remote centers online dataes.

6. Ams gateway  Dell PowerEdge 6800 server: - 4x2 Xeon 3.0 GHz processors, hyperthreading (16 virtual processors), - 2 TB disk space, raid5,scsi - 12 GB RAM, - 100 MB/sec R/W access to disks. 22.300CHF

8. AMS File/AFS/DB/Production servers  Dell PowerEdge 2900 server. - 2xQuad Core Xeon E5345, 2.33 GHz processors, 1333 MHz FSB, - 3.2 TB disk space, - 4 GB RAM, - 250 MB/sec R/W access to disks. 9 700 CHF

10. 2 candidates for AMS Production nodes:  1 st. Dell SC1430. - 2xQuad Core Xeon E5320, 1.86GHz processors, 1066MHx FSB, - 1.5 TB disk space, - 2 RAM, - R/W access – performance problem. (25MB/s R/W access) (under investigation) 7 000 CHF  2 nd. Dell PE1900. - Equal configuration 7 900 CHF

12. Backup Solution  Lacie Firewire 800 2TB External disks.  Price – 0.6CHF/MB,  Dual host Capability.  R/W access: File size >= 6GB - read 95 MB/s, write 75MB/s.

13. Ams02 benchmarks

14. AMS computing requires for 2008  2xFile Servers Dell PE2900 2xQuad Core Xeon 2.66GHz processors, 8x1000GB disks.  (6/8)xProduction nodes 2xQuad Core Xeon 1.86GHZ processors, 4x750GB disks.  2xDisk arrays – 2x15TB  2xData Relay computers Dell PE2900 Quad Core Xeon 2.33 GHz processor, 4x750GB disks

15. Summary  Most of Hardware identified.  Still pending: 1. Large disk arrays ~10TB evaluation (Dell/Apple)? - expected July this year, 2. Production nodes (SC1420/PE1900) – expected May this year.  Thanks to new 4 Core processors, no problems foreseen concerning offline reconstruction software performance.