1. 1 U.S. Department of the Interior U.S. Geological Survey CR1 Silo Briefing Presented By Ken Gacke, SAIC* U.S. Geological Survey, National Center EROS Sioux Falls, SD June 7, 2005 * Work performed under U.S. Geological Survey contract 03CRCN0001

2. 2 Agenda CR1 Silo Engineer Study  Recommended Hardware/Software System Upgrades FY05 9840C Tape Drive Procurement Closing Comments

3. 3 FY05 9840C Tape Drive Procurement Funding for three 9840C Tape Drives & Fibre Switch  Replace the current eight 9840A tape drives  Fibre Channel Interface 9840C and 9840B tape drives accessed via two 2Gb Fibre Ports Can be made fault tolerant in the case of bad HBA, Switch, or Cable Reduces the number of I/O slots required on the server StorageTek Maintenance  9840C support cost is the same as the 9840A ($138/month per drive)  FY06 9840C tape drives purchased with 1 year support Assuming July install, FY06 maintenance savings of $12K  FY07 and beyond $8K per year

4. 4 FY05 9840C Tape Drive Procurement 9840C Tape Drive Characteristics  Backward read compatible  Utilize the existing media  40GB per cartridge (2x of the 9840A)  30MB/sec (3x of the 9840A) Engineer study recommended four 9840C tape drives  Will need to monitor if the 4 th drive is necessary  Disk cache has been increased  9840C is 3x performance (once data is migrated)  Migrate data on the off shift

5. 5 Closing Comments Recent System Reliability  System crashes – three types of crashes Hardware  Replaced HBA, P-Brick mother board, Numa link connector on the P-Brick Known software bug  Tape driver bug in which there currently is not a patch  SGI still in the analysis stage Unknown – SGI analyzing system crash  Error on the C-brick cross bow and could be related to the P-brick errors above.  Call is in observation mode

6. 6 Closing Comments Sun/StorageTek Merger  Announced on June 2 nd that Sun is purchasing StorageTek for $4.1B  Existing OEM agreements Sun resells StorageTek libraries and tape drives StorageTek resells Sun’s HSM software (SAM-FS)  Need to monitor as the merger completes later this year Future enterprise tape drive development StorageTek is more open systems than Sun Support Issues  StorageTek field engineers are highly trained  Future support costs Additional Details in paper 0505 CR1 Silo Engineer Study.doc0505 CR1 Silo Engineer Study.doc