3Ware TwinStor Informatieblad - Pagina 10

Blader online of download pdf Informatieblad voor {categorie_naam} 3Ware TwinStor. 3Ware TwinStor 10 pagina's. A compelling case for multiple drives in pcs, servers and workstations

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Capacity

Street Price

GB/$1000

Sequential Read

Random 2k Read

Sequential Write

WinBench HE Disk Test

Years to data loss per TB

Appendix B. Test conditions

System Configuration

500MHz - Single Processor Pentium III - 128Meg SDRAM

Windows NT 4.0 - w/Service Pack 5

ATI Rage Pro Turbo w/ 8Meg- 1024x768, 64K Colors

NEC 40X IDE CD-ROM

ATA

SCSI

Prices from www.dirtcheapdrives.com 8/14/99

WinBench 99 tests on 2 GB Fat partition

Iometer tests on Full Volume NTFS

Reliability Assumptions

7,200 RPM drives (Quantum and Seagate): 500K Hour MTBF per drive

10,000 RPM drives (Cheetah): 1M hour MTBF

Three-day repair time

Barracuda(RAID 5)

27.3

$1,500

18.2

52.7

317

6.8

7,080

587

Quantum Fireball Plus KA 9.1 G and 18.2 G, 7200 RPM

3ware Disk Switch 4 Controller

Seagate ST39175LW Hard Drive 9.1G, 7200 RPM

Seagate Cheetah Hard Drive 9.1G, 10,000 RPM

Adaptec AAA-131U2 PCI RAID Controller

KA(2 pairs of Twins)

36.4

($375*4)

$900

40.4

MB/s

47.8

I/Os /sec

379

MB/s

21.9

19,000

1,761

($225*4)

MB/s

I/Os /sec

MB/s