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Promise FastTrak100 vs. AMI MegaRAID IDE100


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Promise FastTrak100 vs. AMI MegaRAID IDE100
  April 4, 2001 Author: Terry Baranski  


RAID 1...

Jump To AnalysisIOMeter - File Server Access PatternJump To Analysis
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Load = Linear
AMI MegaRAID IDE100, RAID 1, 2 Drives65.50 0.70 15.26 ms 1.34 % 48.88
Promise FastTrak 100, RAID 1, 2 Drives66.32 0.72 15.07 ms 0.92 % 72.09
Load = Very Light
AMI MegaRAID IDE100, RAID 1, 2 Drives68.00 0.74 58.72 ms 1.32 % 51.52
Promise FastTrak 100, RAID 1, 2 Drives69.13 0.75 57.86 ms 1.14 % 60.64
Load = Light
AMI MegaRAID IDE100, RAID 1, 2 Drives79.09 0.86 202.23 ms 1.56 % 50.70
Promise FastTrak 100, RAID 1, 2 Drives79.39 0.85 201.51 ms 1.30 % 61.07
Load = Moderate
AMI MegaRAID IDE100, RAID 1, 2 Drives88.31 0.97 724.27 ms 1.84 % 47.99
Promise FastTrak 100, RAID 1, 2 Drives86.37 0.94 740.46 ms 1.47 % 58.76
Load = Heavy
AMI MegaRAID IDE100, RAID 1, 2 Drives97.06 1.07 2631.25 ms 2.44 % 39.78
Promise FastTrak 100, RAID 1, 2 Drives93.61 1.01 2725.73 ms 1.80 % 52.01

Jump To AnalysisIOMeter - Workstation Access PatternJump To Analysis
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Load = Linear
AMI MegaRAID IDE100, RAID 1, 2 Drives76.97 0.60 12.99 ms 1.61 % 47.81
Promise FastTrak 100, RAID 1, 2 Drives78.54 0.61 12.73 ms 1.18 % 66.56
Load = Very Light
AMI MegaRAID IDE100, RAID 1, 2 Drives78.77 0.62 50.76 ms 1.70 % 46.34
Promise FastTrak 100, RAID 1, 2 Drives81.52 0.64 49.06 ms 1.35 % 60.39
Load = Light
AMI MegaRAID IDE100, RAID 1, 2 Drives90.95 0.71 175.87 ms 1.85 % 49.16
Promise FastTrak 100, RAID 1, 2 Drives89.63 0.70 178.48 ms 1.43 % 62.68
Load = Moderate
AMI MegaRAID IDE100, RAID 1, 2 Drives101.35 0.79 631.26 ms 2.07 % 48.96
Promise FastTrak 100, RAID 1, 2 Drives93.89 0.73 681.17 ms 1.53 % 61.37
Load = Heavy
AMI MegaRAID IDE100, RAID 1, 2 Drives109.83 0.86 2326.90 ms 2.62 % 41.92
Promise FastTrak 100, RAID 1, 2 Drives102.78 0.80 2486.14 ms 2.13 % 48.25

Jump To AnalysisIOMeter - Database Access PatternJump To Analysis
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Load = Linear
AMI MegaRAID IDE100, RAID 1, 2 Drives69.88 0.55 14.30 ms 1.54 % 45.38
Promise FastTrak 100, RAID 1, 2 Drives70.18 0.55 14.24 ms 1.18 % 59.47
Load = Very Light
AMI MegaRAID IDE100, RAID 1, 2 Drives71.31 0.56 56.09 ms 1.43 % 49.87
Promise FastTrak 100, RAID 1, 2 Drives73.34 0.57 54.53 ms 1.40 % 52.39
Load = Light
AMI MegaRAID IDE100, RAID 1, 2 Drives81.91 0.64 195.32 ms 1.75 % 46.81
Promise FastTrak 100, RAID 1, 2 Drives75.26 0.59 212.55 ms 1.40 % 53.76
Load = Moderate
AMI MegaRAID IDE100, RAID 1, 2 Drives90.15 0.70 709.47 ms 2.01 % 44.85
Promise FastTrak 100, RAID 1, 2 Drives81.70 0.64 782.74 ms 1.71 % 47.78
Load = Heavy
AMI MegaRAID IDE100, RAID 1, 2 Drives97.95 0.77 2608.35 ms 2.60 % 37.67
Promise FastTrak 100, RAID 1, 2 Drives88.38 0.69 2891.38 ms 2.08 % 42.49

Jump To AnalysisIOMeter - Random Write PatternJump To Analysis
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Load = Linear
AMI MegaRAID IDE100, RAID 1, 2 Drives77.06 0.60 12.97 ms 2.18 % 35.35
Promise FastTrak 100, RAID 1, 2 Drives106.06 0.83 9.42 ms 3.04 % 34.89
Load = Very Light
AMI MegaRAID IDE100, RAID 1, 2 Drives76.45 0.60 52.31 ms 2.23 % 34.28
Promise FastTrak 100, RAID 1, 2 Drives106.42 0.83 37.58 ms 3.75 % 28.38
Load = Light
AMI MegaRAID IDE100, RAID 1, 2 Drives76.71 0.60 208.52 ms 2.37 % 32.37
Promise FastTrak 100, RAID 1, 2 Drives106.46 0.83 150.27 ms 3.89 % 27.37
Load = Moderate
AMI MegaRAID IDE100, RAID 1, 2 Drives78.02 0.61 819.80 ms 2.27 % 34.37
Promise FastTrak 100, RAID 1, 2 Drives108.46 0.85 589.78 ms 3.85 % 28.17
Load = Heavy
AMI MegaRAID IDE100, RAID 1, 2 Drives83.59 0.65 3055.89 ms 2.99 % 27.96
Promise FastTrak 100, RAID 1, 2 Drives116.22 0.91 2199.95 ms 4.44 % 26.18

Jump To AnalysisIOMeter - Sequential Write PatternJump To Analysis
IOMeter TestsIO/secMB/secResponse TimeCPU Util.IO/CPU%
Load = Linear
AMI MegaRAID IDE100, RAID 1, 2 Drives111.28 27.82 8.89 ms 6.44 % 17.28
Promise FastTrak 100, RAID 1, 2 Drives3.98 1.00 250.95 ms 0.41 % 9.71
Load = Very Light
AMI MegaRAID IDE100, RAID 1, 2 Drives111.27 27.82 35.94 ms 6.58 % 16.91
Promise FastTrak 100, RAID 1, 2 Drives3.99 1.00 1002.50 ms 0.40 % 9.97
Load = Light
AMI MegaRAID IDE100, RAID 1, 2 Drives111.28 27.82 143.76 ms 6.67 % 16.68
Promise FastTrak 100, RAID 1, 2 Drives3.99 1.00 4009.84 ms 0.47 % 8.49
Load = Moderate
AMI MegaRAID IDE100, RAID 1, 2 Drives111.27 27.82 575.14 ms 7.15 % 15.56
Promise FastTrak 100, RAID 1, 2 Drives3.99 1.00 16036.40 ms 0.59 % 6.76
Load = Heavy
AMI MegaRAID IDE100, RAID 1, 2 Drives110.06 27.51 2115.76 ms 7.76 % 14.18
Promise FastTrak 100, RAID 1, 2 Drives3.88 0.97 57502.82 ms 0.54 % 7.19
 

RAID 1 finally reveals some performance differences between the FastTrak and MegaRAID. In the Workstation, File Server, and Database tests, the FastTrak consistently scores slightly better under linear and light loads, while the MegaRAID takes the lead under moderate and heavy loads. In the random write test, the FastTrak's RAID1 array exhibits little performance difference from a single drive while the MegaRAID, for whatever reason, performs significantly worse. The story changes in the sequential write test, where the MegaRAID performs similarly to a single-drive configuration, while the FastTrak turns in a horrendous 1MB/sec (a potentially questionable result).

 IOMeter RAID 01/10 Scores...


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