3Ware TwinStor Informatieblad - Pagina 9

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References
[1] "The 3ware StorSwitch Architecture", Technical White Paper, 3ware Inc., April 1999, www.3ware.com. Patterson, D. A.;
Gibson, G. A.; and Katz, R. H. "A case for redundant arrays of inexpensive disks (RAID)."
Proceedings of the 1988 ACM Conference on Management of Data (SIGMOD). ACM Press,
[2] June 1988, 109-116.
[3] Gray, J. and Siewiorek, D. "High-Availability Computer Systems." Computer,Vol. 24 No. 9, Sept. 1991.

Appendix A. Measurement data

Capacity
Street Price
Capacity
GB/$1000
Sequential Read
Street Price
Random 2k Read
GB/$1000
Sequential Write
Sequential Read
WinBench HE Disk Test
Random 2k Read
Years to data loss per TB
Sequential Write
WinBench HE Disk Test
Years to data loss per TB
Capacity
Street Price
GB/$1000
Sequential Read
Random 2k Read
Sequential Write
WinBench HE Disk Test
Years to data loss per TB
Capacity
Street Price
GB/$1000
Sequential Read
Random 2k Read
Sequential Write
WinBench HE Disk Test
Years to data loss per TB
27.3
SCSI-Seagate
$1,500
Barracuda (1 drive)
18.2
9.1
52.7
$375
24.3
317
6.8
18.8
7,080
121
587
17.9
13,300
0.51
SCSI-Seagate
Barracuda (RAID 1)
9.1
$750
12.1
18.6
201
18.4
13,300
1,761
SCSI-Seagate
Cheetah(JBOD)
9.1
$514
17.7
26.1
155
23.9
16,400
1
SCSI-Seagate
GB
36.4
ATA-Quantum
($375*4)
KA (Twin drives)
$900
GB
9.1
40.4
MB/s
$336
47.8
I/Os /sec
379
27.1
MB/s
MB/s
32.1
21.9
I/Os /sec
200
19,000
MB/s
19.3
1,761
16,200
1,761
ATA-Quantum
KA (Twin drives)
GB
9.1
($375*2)
$336
27.1
MB/s
32.1
I/Os /sec
200
MB/s
19.3
16,200
1,761
ATA-Quantum
KA (Twin drives)
GB
9.1
$336
27.1
MB/s
32.1
I/Os /sec
200
MB/s
19.3
16,200
1,761
ATA-Quantum
GB
($225*4)
GB
MB/s
($168*2)
I/Os /sec
MB/s
MB/s
I/Os /sec
MB/s
GB
($168*2)
MB/s
I/Os /sec
MB/s
GB
($168*2)
MB/s
I/Os /sec
MB/s