How Fast and Robust Is Your Storage? - Professional SQL Server 2005 Performance Tuning - page 449

Table 12-9: Four-Disk Test E Results (continued)

Read/Write Sequential/Random Block Size IOPS MB/Sec Avg Latency

R random 64 112.5 7.03 8

R random 128 101.7 12.71 9

R random 256 93 23.25 10

R random 512 54.71 27.35 17

R random 1024 36.6 36.6 26

R random 2048 29.8 59.6 33

R random 4096 18.2 72.8 54

R random 8192 10.84 86.79 91

R sequential 8 6102.1 47.67 0

R sequential 16 4025.4 62.89 0

R sequential 32 2649.8 82.8 0

R sequential 64 1553 97.06 0

R sequential 128 820.3 102.53 1

R sequential 256 424 106 2

R sequential 512 218.1 109.05 4

R sequential 1024 110.8 110.8 8

R sequential 2048 55.9 111.8 17

R sequential 4096 28.15 112.61 35

R sequential 8192 14.15 113.24 70

W sequential 8 6636 51.84 0

W sequential 16 4635 72.42 0

W sequential 32 2549.3 79.66 0

W sequential 64 1462 91.37 0

Continued