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ATA RAID Array Controller Performance Benchmark Report 7500-12 July 2002 Performance Benchmarks Benchmark Program Intel Iometer, version 1999.10.20 http://www.intel.com/design/servers/devtools/iometer/download.htm System Dual Processor Intel STL2 (1.0GHz) STL2 BIOS Release 1.12 PhoenixBIOS 4.0 Release 6.0 512 MBytes system RAM Operating System Microsoft Windows 2000 Advanced Server Service Pack 2 RAID Levels 0, 5, 10 PCI slot type 64-bit / 66 MHz Number of Variable, exponentially increasing from 1 to 256 Outstanding I/OsTest typeRandom and sequential I/O, reads and writes, block sizes from 2K to 1024K (as indicated) Partitions None (raw I/O tests) Data recorded Total IOs/sec (reads+writes), Total MBytes/sec (reads+writes) Drives Maxtor DiamondMax D540X (160 GByte, 5400RPM) RAID Controllers: 7500-12 (code 7.5 release) 3ware Test Results Sequential Result / Random Result Test Description 7500-12 Max. RAID 0 Read Result 190 MBytes/sec / 725 IOs / sec -12 Max. RAID 5 Read Result 188 MBytes/sec / 712 IOs / sec 7500-12 Max. RAID 10 Read Result 179 MBytes/sec / 769 IOs / sec 7500-12 Max. RAID 0 Write Result 142 MBytes/sec / 504 IOs / sec -12 Max. RAID 5 Write Result 74.5 MBytes/sec / 161 IOs / sec 7500-12 Max. RAID 10 Write Result 69.3 MBytes/sec / 467 IOs / sec The # of Outstanding I/Os control specifies the maximum number of outstanding asynchronous I/O operations Iometer will attempt ...
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ATA RAID Array ControllerPerformance Benchmark Report750012
July 2002
Performance BenchmarksBenchmark ProgramIntel Iometer, version 1999.10.20 http://www.intel.com/design/servers/devtools/iometer/download.htm System DualProcessor Intel STL2 (1.0GHz) STL2 BIOS Release 1.12PhoenixBIOS 4.0 Release 6.0 512 MBytes system RAM Operating SystemMicrosoft Windows 2000 Advanced Server Service Pack 2 RAID Levels0, 5, 10
PCI slot type
64bit / 66 MHz
Number ofVariable, exponentially increasing from 1 to 256Outstanding I/Os Test typeRandom and sequential I/O, reads and writes, block sizes from 2K to 1024K (as indicated) Partitions None(raw I/O tests)Data recordedTotal IOs/sec (reads+writes), Total MBytes/sec (reads+writes) Drives MaxtorDiamondMax D540X (160 GByte, 5400RPM) RAID Controllers:750012 (code 7.5 release) 3ware Test Results Test DescriptionSequential Result / Random Result 750012 Max. RAID 0 Read Result190 MBytes/sec/725 IOs / sec750012 Max. RAID 5 Read Result188 MBytes/sec/712 IOs / sec 750012 Max. RAID 10 Read Result179 MBytes/sec/769 IOs / sec 750012 Max. RAID 0 Write Result142 MBytes/sec/504 IOs / sec 750012 Max. RAID 5 Write Result74.5 MBytes/sec/161 IOs / sec 750012 Max. RAID 10 Write Result69.3 MBytes/sec/467 IOs / sec The # of Outstanding I/Os control specifies the maximum number of outstanding asynchronous I/O operations Iometer will attempt to have active at one time.
Sequential Reads (Data block sizes 8K, 64K, 512K, 1024K)
750012 8K Sequential Reads
120.0 100.0 80.0 60.0 40.0 20.0 Outstanding0.I/0Os 1 2 4 816 32 64128 256 RAID 047.0 74.1 92.6 94.9 95.4 95.2 95.6 93.5 95.0 RAID 542.1 73.1 77.6 77.6 77.6 77.8 77.8 77.8 77.8 RAID 1045.6 74.3 87.5 87.5 86.7 87.6 87.6 87.6 87.6
200.0
150.0
100.0
50.0
750012 512K Sequential Reads
Outstanding0.I0/Os 1 2 4 816 32 64128 256 RAID 0164. 181. 185. 190. 189. 186. 186. 189. 190. RAID 5127. 165. 183. 186. 188. 188. 189. 188. 188. RAID 10148. 187. 179. 179. 175. 176. 186. 179. 179.
750012 64K Sequential Reads
200.0 180.0 160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 Outstanding I/Os 1 2 4 816 32 64128 256 RAID 093.5 160. 181. 185. 188. 190. 189. 190. 190. RAID 583.1 126. 165. 182. 182. 186. 186. 186. 186. RAID 1097.2 165. 190. 177. 181. 178. 170. 173. 175.
750012 1024K Sequential Reads
200.0 180.0 160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 Outstanding I/Os 1 2 4 816 32 64128 256 RAID 0170. 184. 183. 185. 189. 186. 187. 185. 188. RAID 5136. 181. 187. 188. 188. 189. 189. 188. 188. RAID 10159. 187. 187. 180. 180. 187. 174. 172. 175.
Sequential Writes (Data block sizes 8K, 64K, 512K, 1024K)
750012 8K Sequential Writes
100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 Outstanding I/Os 1 2 4 816 32 64128 256 RAID 036.3 57.2 75.4 91.6 93.7 94.0 94.0 94.1 94.1 RAID 545.9 57.4 57.5 57.5 57.5 56.2 56.3 56.3 57.1 RAID 1029.0 47.9 61.1 66.0 66.1 66.3 66.3 66.3 66.3
750012 512K Sequential Writes
160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 Outstanding I/0O.s0 1 2 4 816 32 64128 256 RAID 0137. 130. 130. 132. 133. 139. 140. 141. 140. RAID 573.4 74.4 74.5 74.4 74.4 74.3 74.3 47.1 45.7 RAID 1064.8 68.1 67.7 67.6 67.8 67.7 67.8 67.5 67.3
750012 64K Sequential Writes
160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 Outstanding I/Os 1 2 4 816 32 64128 256 RAID 079.9 149. 145. 141. 138. 142. 141. 141. 141. RAID 545.9 57.4 57.5 57.5 57.5 56.2 56.3 56.3 57.1 RAID 1069.2 75.2 71.4 69.4 67.6 70.0 70.3 69.0 69.3
750012 1024K Sequential Writes
160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0.0 Outstanding I/Os 1 2 4 816 32 64128 256 RAID 0133. 129. 130. 135. 137. 139. 141. 139. 139. RAID 573.7 74.4 74.3 74.4 74.3 74.3 74.3 50.9 37.9 RAID 1065.9 67.7 67.6 67.7 67.7 67.8 67.7 66.9 66.8
Random Reads (Data block sizes 2K, 4K, 8K, 16K)
750012 2K Random Reads
900.0 800.0 700.0 600.0 500.0 400.0 300.0 200.0 100.0 Outstanding I/O0.s0 1 2 4 816 32 64128 256 RAID 051.4 96.9 171. 275. 395. 468. 461. 595. 725. RAID 551.1 100. 171. 273. 366. 390. 459. 570. 712. RAID 1056.5 101. 174. 288. 409. 396. 489. 670. 769.
750012 8K Random Reads
800 700 600 500 400 300 200 100 Outstanding I/Os0 1 2 4 816 32 64128 256 RAID 051.5 96.3172 263 360 418 410 545 656 RAID 552.2 95.2 169. 264. 353. 359. 414. 540. 641. RAID 1056.5 100. 164. 281. 398. 388. 425. 604. 706.
750012 4K Random Reads
800 700 600 500 400 300 200 100 0 Outstanding I/Os 1 2 4 816 32 64128 256 RAID 052.2 95171 272 273 437 425 580 698 RAID 552.4 95.4 169. 267. 357. 367. 453. 581. 693. RAID 1056.8 102. 171. 296. 410. 382. 460. 652. 746.
750012 16K Random Reads
700 600 500 400 300 200 100 Outstanding I/Os 0 1 2 4 816 32 64128 256 RAID 049.8 91161 253 336 382 368 511 612 RAID 549.9 93.1 151. 227. 286. 278. 415. 487. 577. RAID 1054.5 96.7 158. 262. 340. 287. 420. 550. 631.
Random Writes (Data block sizes 2K, 4K, 8K, 16K)
600.0
500.0
400.0
300.0
200.0
100.0
750012 2K Random Writes
Outstanding I/0O.s0 1 2 4 816 32 64128 256 RAID 0520. 532. 514. 530. 452. 502. 537. 442. 504. RAID 5136. 132. 130. 132. 134. 143. 143. 154. 161. RAID 10377. 424. 385. 418. 384. 408. 453. 423. 467.
750012 8K Random Writes
500.0 450.0 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 Outstanding I/0O.s0 1 2 4 816 32 64128 256 RAID 0402. 374. 456. 464. 432. 467. 441. 403. 463. RAID 5126. 130. 120. 119. 120. 124. 146. 147. 139. RAID 10375. 371. 416. 403. 375. 379. 372. 405. 368.
600.0 500.0 400.0 300.0
750012 4K Random Writes
200.0 100.0 Outstanding I/Os 0.0 1 2 4 816 32 64128 256 RAID 0492. 478. 487. 474. 462. 514. 428. 499. 492. RAID 5130. 130. 129. 134. 129. 132. 140. 149. 153. RAID 10384. 394. 418. 388. 381. 397. 379. 400. 471.
750012 16K Random Writes
500.0 450.0 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 0.0 Outstanding I/Os 1 2 4 816 32 64128 256 RAID 0396. 425. 406. 415. 405. 430. 388. 436. 405. RAID 537.8 55.6 78.3 103. 108. 104. 112. 129. 127. RAID 10321. 305. 302. 311. 350. 350. 324. 342. 338.
