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+----------------------------------------------------------------+ | Table 1. Server hardware description for performance runs. | +------------------------+-------------------+-------------------+ | | SYSTEM 1 | SYSTEM 2 | +------------------------+-------------------+-------------------+ | Hard Drives | 7 | 3 | +------------------------+-------------------+-------------------+ | Approx GB/Drive | 1G Fast/Wide | 2.25G Fast/Wide | +------------------------+-------------------+-------------------+ | Average seek time (ms) | 8.6 | 7.5 | +------------------------+-------------------+-------------------+ | Average latency (ms) | 5.56 | 4.17 | +------------------------+-------------------+-------------------+ | Rotational speed (RPM) | 5400 | 7200 | +------------------------+-------------------+-------------------+ | Array Stripe Width | 8 | 64 | | (KB) | | | +------------------------+-------------------+-------------------+ | Channels used on RAID | 2 | 1 | | adapter | | | +------------------------+-------------------+-------------------+ | Logical drive types | RAID-5 | RAID-5 | +------------------------+-------------------+-------------------+ | Logical drives per | 2 | 2 | | array | | | +------------------------+-------------------+-------------------+ | Partitions per logical | 1 | 1 | | drive | | | +------------------------+-------------------+-------------------+ | Format type | HPFS | HPFS | +------------------------+-------------------+-------------------+ | OS/2 level | V2.11 CSD XR06200 | V3 Warp Fullpack | | | | GA | +------------------------+-------------------+-------------------+ | LAN Adapter | LanStreamer MC 32 | AutoLAN Streamer | | | | MC 32 | +------------------------+-------------------+-------------------+ | 390 Licensed Internal | 12/94 | 3/95 | | Code level | | | +------------------------+-------------------+-------------------+ | SCSI Adapter | F/W Streaming | F/W Streaming | | | RAID Adapter/A | RAID Adapter/A | +------------------------+-------------------+-------------------+ | NOTE: Seek, latency, and RPM specifications are advertised | | values for individual drives in the array and were not meas- | | ured here. | +----------------------------------------------------------------+