Areca 1231ML
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Areca 1231ML
./iozone -t 2 -F /mnt/rs00/iozone.dat /mnt/rs01/iozone.dat -i 0 -+n -i 0 -i 1 -i 2 -r <N>k -s 32g
For this test we used an XFS file system atop two RAID 5 volume sets. The first volume set (rs00) was initialized with a 16k stripe while the second volume set (rs01) was initialized with a 128k stripe width. This stripe width difference is the source of the sometimes wide discrepancy in min and max values for some of the tests.
| Test | Buffer Size (KB) | Min (MB/s) | Max (MB/s) | Ave (MB/s) |
|---|---|---|---|---|
| Seq. Read | 32 | 342.3 | 352.5 | 347.4 |
| Seq. Write | 32 | 167.5 | 175.4 | 171.5 |
| Random Read | 32 | 4.9 | 6.4 | 5.6 |
| Random Write | 32 | 16.8 | 17.5 | 17.1 |
| Seq. Read | 64 | 343.5 | 350.0 | 346.7 |
| Seq. Write | 64 | 183.1 | 201.7 | 192.4 |
| Random Read | 64 | 9.2 | 11.7 | 10.4 |
| Random Write | 64 | 23.4 | 28.7 | 26.1 |
| Seq. Read | 128 | 340.0 | 349.1 | 344.6 |
| Seq. Write | 128 | 230.7 | 250.9 | 240.8 |
| Random Read | 128 | 16.1 | 20.6 | 18.3 |
| Random Write | 128 | 22.1 | 23.7 | 22.9 |
| Seq. Read | 256 | 343.7 | 351.4 | 347.5 |
| Seq. Write | 256 | 241.1 | 285.7 | 263.4 |
| Random Read | 256 | 19.7 | 26.3 | 23.0 |
| Random Write | 256 | 43.3 | 51.4 | 47.3 |
| Seq. Read | 512 | 337.8 | 347.8 | 342.8 |
| Seq. Write | 512 | 249.1 | 258.3 | 253.7 |
| Random Read | 512 | 23.9 | 50.6 | 37.2 |
| Random Write | 512 | 52.9 | 58.2 | 55.5 |
| Seq. Read | 1024 | 349.5 | 351.4 | 350.4 |
| Seq. Write | 1024 | 279.0 | 344.0 | 311.5 |
| Random Read | 1024 | 42.0 | 80.6 | 61.3 |
| Random Write | 1024 | 91.1 | 101.3 | 96.2 |
| Seq. Read | 2048 | 350.7 | 355.9 | 353.3 |
| Seq. Write | 2048 | 238.4 | 339.8 | 289.1 |
| Random Read | 2048 | 73.6 | 143.1 | 108.4 |
| Random Write | 2048 | 116.2 | 118.7 | 117.4 |
I/O Stat Samples (10 sec intervals)
512k
Random Reads
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 83.80 0.00 248.00 0.00 41621.60 0.00 335.66 1.13 4.56 3.95 97.94 sdd 48.30 0.00 132.30 0.00 22885.60 0.00 345.97 1.19 9.01 7.49 99.05 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 78.80 0.00 245.30 0.00 40440.00 0.00 329.72 1.20 4.89 3.99 97.90 sdd 44.00 0.00 136.20 0.00 22958.40 0.00 337.13 1.24 9.13 7.27 99.04 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 83.40 0.00 247.50 0.00 41513.60 0.00 335.46 1.15 4.64 3.94 97.62 sdd 45.90 0.00 135.80 0.00 23180.80 0.00 341.40 1.24 9.15 7.29 99.00
Random Writes
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 0.00 45.30 0.00 281.70 0.00 61985.20 440.08 25.77 94.35 3.53 99.36 sdd 0.00 40.10 0.00 270.30 0.00 53520.00 396.00 30.49 116.15 3.68 99.34 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 0.00 39.60 0.00 274.00 0.00 59490.80 434.24 30.25 101.88 3.62 99.17 sdd 0.00 34.30 0.00 277.50 0.00 54724.00 394.41 20.89 71.22 3.58 99.21 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 0.00 44.46 0.00 316.78 0.00 68312.89 431.29 30.04 102.70 3.12 98.95 sdd 0.00 35.56 0.00 302.00 0.00 61260.74 405.70 24.07 83.93 3.29 99.29
1024k
Random Reads
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 4.70 0.00 535.40 0.00 65634.40 0.00 245.18 1.30 2.43 1.82 97.30 sdd 2.90 0.00 295.70 0.00 37217.60 0.00 251.73 1.51 5.09 3.33 98.55 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 4.00 0.00 526.10 0.00 64139.20 0.00 243.83 1.31 2.50 1.85 97.17 sdd 2.20 0.00 300.00 0.00 37915.20 0.00 252.77 1.54 5.13 3.29 98.56 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 3.40 0.00 531.77 0.00 65073.33 0.00 244.74 1.32 2.48 1.83 97.12 sdd 1.80 0.00 297.10 0.00 37427.37 0.00 251.95 1.53 5.15 3.32 98.63
Random Writes
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 0.00 29.90 0.00 449.70 0.00 88095.20 391.80 32.92 77.89 2.15 96.83 sdd 0.00 53.00 0.00 454.00 0.00 89553.60 394.51 23.49 51.30 2.15 97.71 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 0.00 26.50 0.00 393.90 0.00 77342.40 392.70 31.79 81.13 2.47 97.33 sdd 0.00 46.40 0.00 465.30 0.00 93052.00 399.97 32.42 70.96 2.11 98.17 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util sdc 0.00 28.60 0.00 414.70 0.00 83528.00 402.84 20.46 50.04 2.35 97.33 sdd 0.00 37.60 0.00 368.10 0.00 72060.00 391.52 24.72 65.81 2.59 95.40
