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Adaptec 29160 vs. Tekram DC-390U3W


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Adaptec 29160 vs. Tekram DC-390U3W
  May 7, 2001 Author: Terry Baranski  


Multi-drive IOMeter scores...

IOMeter - File Server Access Pattern - 2 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 2 drives210.98 2.29 9.48 ms 1.84 % 114.66
Tekram DC-390UW, 2 drives211.04 2.28 9.47 ms 1.60 % 131.90
Load = Very Light
Adaptec 29160, 2 drives287.34 3.12 27.84 ms 2.56 % 112.24
Tekram DC-390UW, 2 drives287.93 3.12 27.78 ms 2.39 % 120.47
Load = Light
Adaptec 29160, 2 drives415.20 4.50 77.05 ms 3.86 % 107.56
Tekram DC-390UW, 2 drives397.23 4.31 80.54 ms 3.04 % 130.67
Load = Moderate
Adaptec 29160, 2 drives415.16 4.45 308.25 ms 3.42 % 121.39
Tekram DC-390UW, 2 drives471.00 5.10 271.67 ms 3.90 % 120.77
Load = Heavy
Adaptec 29160, 2 drives485.71 5.23 1053.87 ms 4.43 % 109.64
Tekram DC-390UW, 2 drives520.02 5.64 984.23 ms 4.89 % 106.34

IOMeter - Workstation Access Pattern - 2 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 2 drives253.11 1.98 7.90 ms 2.17 % 116.64
Tekram DC-390UW, 2 drives253.17 1.98 7.90 ms 1.92 % 131.86
Load = Very Light
Adaptec 29160, 2 drives313.56 2.45 25.51 ms 2.89 % 108.50
Tekram DC-390UW, 2 drives314.51 2.46 25.43 ms 2.57 % 122.38
Load = Light
Adaptec 29160, 2 drives436.60 3.41 73.29 ms 3.93 % 111.09
Tekram DC-390UW, 2 drives420.62 3.29 76.06 ms 3.24 % 129.82
Load = Moderate
Adaptec 29160, 2 drives447.44 3.50 286.03 ms 3.67 % 121.92
Tekram DC-390UW, 2 drives493.08 3.85 259.53 ms 4.10 % 120.26
Load = Heavy
Adaptec 29160, 2 drives516.15 4.03 991.62 ms 4.70 % 109.82
Tekram DC-390UW, 2 drives541.90 4.23 944.52 ms 5.29 % 102.44

IOMeter - Database Access Pattern - 2 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 2 drives213.23 1.67 9.38 ms 1.93 % 110.48
Tekram DC-390UW, 2 drives213.96 1.67 9.34 ms 1.80 % 118.87
Load = Very Light
Adaptec 29160, 2 drives299.50 2.34 26.71 ms 2.61 % 114.75
Tekram DC-390UW, 2 drives300.48 2.35 26.62 ms 2.41 % 124.68
Load = Light
Adaptec 29160, 2 drives429.25 3.35 74.52 ms 3.90 % 110.06
Tekram DC-390UW, 2 drives414.59 3.24 77.17 ms 3.13 % 132.46
Load = Moderate
Adaptec 29160, 2 drives419.21 3.28 305.27 ms 3.64 % 115.17
Tekram DC-390UW, 2 drives477.51 3.73 268.00 ms 4.53 % 105.41
Load = Heavy
Adaptec 29160, 2 drives490.89 3.84 1042.73 ms 5.14 % 95.50
Tekram DC-390UW, 2 drives521.87 4.08 980.73 ms 5.53 % 94.37

IOMeter - Random Write Pattern - 2 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 2 drives338.13 2.64 5.91 ms 3.01 % 112.34
Tekram DC-390UW, 2 drives339.53 2.65 5.89 ms 2.79 % 121.70
Load = Very Light
Adaptec 29160, 2 drives357.42 2.79 22.37 ms 3.34 % 107.01
Tekram DC-390UW, 2 drives358.06 2.80 22.33 ms 3.03 % 118.17
Load = Light
Adaptec 29160, 2 drives398.55 3.11 80.26 ms 3.65 % 109.19
Tekram DC-390UW, 2 drives393.32 3.07 81.34 ms 3.13 % 125.66
Load = Moderate
Adaptec 29160, 2 drives389.42 3.04 328.62 ms 3.22 % 120.94
Tekram DC-390UW, 2 drives443.95 3.47 288.22 ms 3.95 % 112.39
Load = Heavy
Adaptec 29160, 2 drives461.45 3.61 1109.11 ms 4.54 % 101.64
Tekram DC-390UW, 2 drives486.32 3.80 1052.54 ms 4.93 % 98.65

IOMeter - Sequential Write Pattern - 2 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 2 drives236.34 59.08 8.46 ms 7.19 % 32.87
Tekram DC-390UW, 2 drives236.15 59.04 8.46 ms 6.77 % 34.88
Load = Very Light
Adaptec 29160, 2 drives235.45 58.86 33.97 ms 7.16 % 32.88
Tekram DC-390UW, 2 drives235.28 58.82 33.99 ms 6.57 % 35.81
Load = Light
Adaptec 29160, 2 drives236.38 59.10 135.36 ms 7.20 % 32.83
Tekram DC-390UW, 2 drives234.19 58.55 136.62 ms 6.74 % 34.75
Load = Moderate
Adaptec 29160, 2 drives233.45 58.36 538.69 ms 7.75 % 30.12
Tekram DC-390UW, 2 drives230.42 57.61 542.55 ms 8.08 % 28.52
Load = Heavy
Adaptec 29160, 2 drives231.44 57.86 2193.51 ms 7.89 % 29.33
Tekram DC-390UW, 2 drives230.09 57.52 2177.68 ms 8.07 % 28.51



IOMeter - File Server Access Pattern - 3 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 3 drives315.00 3.42 9.52 ms 2.56 % 123.05
Tekram DC-390UW, 3 drives315.13 3.42 9.52 ms 2.48 % 127.07
Load = Very Light
Adaptec 29160, 3 drives427.12 4.59 28.09 ms 3.77 % 113.29
Tekram DC-390UW, 3 drives428.33 4.64 28.01 ms 3.49 % 122.73
Load = Light
Adaptec 29160, 3 drives617.15 6.67 77.75 ms 5.51 % 112.01
Tekram DC-390UW, 3 drives535.75 5.78 89.58 ms 4.35 % 123.16
Load = Moderate
Adaptec 29160, 3 drives617.31 6.68 310.94 ms 5.20 % 118.71
Tekram DC-390UW, 3 drives689.65 7.44 278.31 ms 6.14 % 112.32
Load = Heavy
Adaptec 29160, 3 drives670.82 7.28 1144.73 ms 6.35 % 105.64
Tekram DC-390UW, 3 drives722.89 7.84 1062.17 ms 6.91 % 104.62

IOMeter - Workstation Access Pattern - 3 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 3 drives376.47 2.94 7.96 ms 3.26 % 115.48
Tekram DC-390UW, 3 drives378.39 2.96 7.92 ms 2.96 % 127.83
Load = Very Light
Adaptec 29160, 3 drives466.51 3.64 25.72 ms 4.13 % 112.96
Tekram DC-390UW, 3 drives468.84 3.66 25.59 ms 3.72 % 126.03
Load = Light
Adaptec 29160, 3 drives648.46 5.07 74.00 ms 5.67 % 114.37
Tekram DC-390UW, 3 drives578.70 4.52 82.93 ms 4.77 % 121.32
Load = Moderate
Adaptec 29160, 3 drives665.49 5.20 288.45 ms 5.44 % 122.33
Tekram DC-390UW, 3 drives724.40 5.66 264.99 ms 6.40 % 113.19
Load = Heavy
Adaptec 29160, 3 drives715.97 5.59 1072.46 ms 7.07 % 101.27
Tekram DC-390UW, 3 drives754.71 5.90 1017.31 ms 7.74 % 97.51

IOMeter - Database Access Pattern - 3 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 3 drives317.22 2.48 9.45 ms 2.99 % 106.09
Tekram DC-390UW, 3 drives318.73 2.49 9.41 ms 2.76 % 115.48
Load = Very Light
Adaptec 29160, 3 drives443.95 3.47 27.02 ms 4.36 % 101.82
Tekram DC-390UW, 3 drives446.05 3.48 26.89 ms 3.95 % 112.92
Load = Light
Adaptec 29160, 3 drives638.29 4.99 75.18 ms 6.36 % 100.36
Tekram DC-390UW, 3 drives557.30 4.35 86.11 ms 4.85 % 114.91
Load = Moderate
Adaptec 29160, 3 drives621.13 4.85 309.04 ms 5.40 % 115.02
Tekram DC-390UW, 3 drives700.38 5.47 274.07 ms 6.71 % 104.38
Load = Heavy
Adaptec 29160, 3 drives679.80 5.31 1129.54 ms 6.82 % 99.68
Tekram DC-390UW, 3 drives732.15 5.72 1048.65 ms 8.01 % 91.40

IOMeter - Random Write Pattern - 3 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 3 drives502.30 3.92 5.97 ms 4.56 % 110.15
Tekram DC-390UW, 3 drives503.38 3.93 5.96 ms 4.10 % 122.78
Load = Very Light
Adaptec 29160, 3 drives530.44 4.14 22.62 ms 4.53 % 117.09
Tekram DC-390UW, 3 drives532.08 4.16 22.55 ms 4.55 % 116.94
Load = Light
Adaptec 29160, 3 drives592.97 4.63 80.92 ms 5.68 % 104.40
Tekram DC-390UW, 3 drives565.16 4.42 84.92 ms 4.94 % 114.40
Load = Moderate
Adaptec 29160, 3 drives577.93 4.52 332.15 ms 5.03 % 114.90
Tekram DC-390UW, 3 drives656.31 5.13 292.47 ms 6.36 % 103.19
Load = Heavy
Adaptec 29160, 3 drives639.34 4.99 1200.93 ms 6.09 % 104.98
Tekram DC-390UW, 3 drives684.34 5.35 1121.89 ms 7.00 % 97.76

IOMeter - Sequential Write Pattern - 3 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 3 drives299.37 74.84 10.02 ms 7.33 % 40.84
Tekram DC-390UW, 3 drives300.08 75.02 9.99 ms 9.06 % 33.12
Load = Very Light
Adaptec 29160, 3 drives303.15 75.79 39.57 ms 8.16 % 37.15
Tekram DC-390UW, 3 drives313.43 78.36 38.28 ms 9.49 % 33.03
Load = Light
Adaptec 29160, 3 drives302.79 75.70 158.51 ms 8.51 % 35.58
Tekram DC-390UW, 3 drives312.96 78.24 153.37 ms 10.13 % 30.89
Load = Moderate
Adaptec 29160, 3 drives297.90 74.47 643.51 ms 8.26 % 36.07
Tekram DC-390UW, 3 drives311.57 77.89 587.42 ms 11.37 % 27.40
Load = Heavy
Adaptec 29160, 3 drives300.16 75.04 2556.07 ms 8.31 % 36.12
Tekram DC-390UW, 3 drives311.05 77.76 2424.89 ms 11.51 % 27.02



IOMeter - File Server Access Pattern - 4 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 4 drives421.10 4.54 9.50 ms 3.62 % 116.33
Tekram DC-390UW, 4 drives420.50 4.52 9.51 ms 3.34 % 125.90
Load = Very Light
Adaptec 29160, 4 drives569.32 6.15 28.10 ms 5.07 % 112.29
Tekram DC-390UW, 4 drives571.06 6.18 28.01 ms 4.79 % 119.22
Load = Light
Adaptec 29160, 4 drives825.26 8.94 77.53 ms 7.43 % 111.07
Tekram DC-390UW, 4 drives683.18 7.35 93.66 ms 5.61 % 121.78
Load = Moderate
Adaptec 29160, 4 drives824.46 8.91 310.44 ms 7.32 % 112.63
Tekram DC-390UW, 4 drives900.25 9.76 284.31 ms 8.59 % 104.80
Load = Heavy
Adaptec 29160, 4 drives868.02 9.41 1179.46 ms 7.93 % 109.46
Tekram DC-390UW, 4 drives901.46 9.76 1135.77 ms 8.59 % 104.94

IOMeter - Workstation Access Pattern - 4 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 4 drives504.97 3.95 7.92 ms 4.25 % 118.82
Tekram DC-390UW, 4 drives504.43 3.94 7.93 ms 4.08 % 123.63
Load = Very Light
Adaptec 29160, 4 drives623.49 4.87 25.65 ms 5.50 % 113.36
Tekram DC-390UW, 4 drives625.31 4.89 25.58 ms 5.19 % 120.48
Load = Light
Adaptec 29160, 4 drives867.11 6.77 73.80 ms 7.92 % 109.48
Tekram DC-390UW, 4 drives741.50 5.79 86.29 ms 6.23 % 119.02
Load = Moderate
Adaptec 29160, 4 drives887.80 6.94 288.33 ms 8.50 % 104.45
Tekram DC-390UW, 4 drives954.02 7.45 268.28 ms 9.80 % 97.35
Load = Heavy
Adaptec 29160, 4 drives931.71 7.28 1098.91 ms 9.49 % 98.18
Tekram DC-390UW, 4 drives954.61 7.46 1072.48 ms 10.09 % 94.61

IOMeter - Database Access Pattern - 4 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 4 drives425.92 3.33 9.39 ms 3.96 % 107.56
Tekram DC-390UW, 4 drives426.12 3.33 9.38 ms 3.68 % 115.79
Load = Very Light
Adaptec 29160, 4 drives594.87 4.65 26.89 ms 5.77 % 103.10
Tekram DC-390UW, 4 drives596.20 4.66 26.83 ms 5.26 % 113.35
Load = Light
Adaptec 29160, 4 drives853.36 6.67 74.98 ms 8.41 % 101.47
Tekram DC-390UW, 4 drives701.36 5.48 91.23 ms 6.17 % 113.67
Load = Moderate
Adaptec 29160, 4 drives831.50 6.50 307.84 ms 8.01 % 103.81
Tekram DC-390UW, 4 drives914.48 7.14 279.89 ms 9.25 % 98.86
Load = Heavy
Adaptec 29160, 4 drives876.75 6.85 1167.87 ms 8.88 % 98.73
Tekram DC-390UW, 4 drives915.86 7.16 1117.89 ms 9.81 % 93.36

IOMeter - Random Write Pattern - 4 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 4 drives675.39 5.28 5.92 ms 6.17 % 109.46
Tekram DC-390UW, 4 drives674.68 5.27 5.92 ms 5.92 % 113.97
Load = Very Light
Adaptec 29160, 4 drives714.39 5.58 22.39 ms 6.80 % 105.06
Tekram DC-390UW, 4 drives713.50 5.57 22.42 ms 6.05 % 117.93
Load = Light
Adaptec 29160, 4 drives798.59 6.24 80.10 ms 7.66 % 104.25
Tekram DC-390UW, 4 drives744.49 5.82 85.95 ms 6.62 % 112.46
Load = Moderate
Adaptec 29160, 4 drives778.14 6.08 328.94 ms 7.25 % 107.33
Tekram DC-390UW, 4 drives874.24 6.83 292.71 ms 8.63 % 101.30
Load = Heavy
Adaptec 29160, 4 drives816.36 6.38 1254.07 ms 7.97 % 102.43
Tekram DC-390UW, 4 drives873.64 6.83 1171.88 ms 8.81 % 99.16

IOMeter - Sequential Write Pattern - 4 Drives
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Adaptec 29160, 4 drives298.09 74.52 13.41 ms 7.85 % 37.97
Tekram DC-390UW, 4 drives297.30 74.33 13.45 ms 9.21 % 32.28
Load = Very Light
Adaptec 29160, 4 drives300.95 75.24 53.16 ms 8.50 % 35.41
Tekram DC-390UW, 4 drives318.84 79.71 50.18 ms 10.29 % 30.99
Load = Light
Adaptec 29160, 4 drives305.93 74.48 209.18 ms 8.84 % 34.61
Tekram DC-390UW, 4 drives318.74 79.69 200.74 ms 10.80 % 29.51
Load = Moderate
Adaptec 29160, 4 drives311.18 77.80 822.43 ms 8.52 % 36.52
Tekram DC-390UW, 4 drives318.17 79.54 782.09 ms 11.73 % 27.12
Load = Heavy
Adaptec 29160, 4 drives315.08 78.77 3235.51 ms 8.56 % 36.81
Tekram DC-390UW, 4 drives318.19 79.55 3203.59 ms 12.03 % 26.45

Interestingly, the same pattern emerges when comparing scores between the two cards utilizing multiple drives. Note that scores for all tests are virtually the same under linear and very light loads in the File Server, Workstation, Database, and Random Write tests. With 16 IO's outstanding, however, the story changes somewhat - this time, the 29160 boasts a significant (up to 20% in the 4-drive tests) lead over the DC-390U3W. Under moderate and heavy loads, however, the DC-390U3W takes the lead (up to 10% under moderate load; up to around 8% under heavy load) just as it did in the single-drive tests.

The reason for the surprising reversal when transitioning from light to moderate loads is something that we also saw in the single-drive tests: the 29160 performs no better with 64 IO's outstanding than it does with 16. Again, this phenomenon was consistent throughout all of the single and multi-drive tests.

Both adapters turn in similar sequential write performances with the DC-390U3W perhaps taking a very slight lead in the three and four-drive tests.

 Conclusion...


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