Array is a 2 15Krpm u320 disk raid-1 Bonnie++ from latest errata RHEL3 kernel: Version 1.03 ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP kickstation-178. 4G 6282 99 37427 28 9419 7 6373 98 21621 13 280.4 1 ------Sequential Create------ --------Random Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 421 19 +++++ +++ 555 2 428 18 +++++ +++ 477 9 Bonnie++ with FC1 kernel: Version 1.03 ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP kickstation-178. 4G 6151 98 30786 22 14692 7 6591 99 55606 12 537.1 1 ------Sequential Create------ --------Random Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 700 29 +++++ +++ 1198 4 728 29 +++++ +++ 879 18 tiobench latest RHEL3 errata kernel: File Block Num Seq Read Rand Read Seq Write Rand Write Dir Size Size Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%) ------- ------ ------- --- ----------- ----------- ----------- ----------- . 1792 4096 1 357.5 56.4% 70.83 9.06% 38.68 33.0% 2.144 0.68% . 1792 4096 2 436.0 75.0% 82.55 13.2% 37.48 45.8% 2.191 1.05% . 1792 4096 4 561.1 119.% 120.4 23.1% 36.94 64.2% 2.176 1.76% . 1792 4096 8 658.1 152.% 155.6 32.3% 25.53 51.4% 2.216 2.09% tiobench FC1 kernel: File Block Num Seq Read Rand Read Seq Write Rand Write Dir Size Size Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%) ------- ------ ------- --- ----------- ----------- ----------- ----------- . 1792 4096 1 865.5 100.% 695.9 89.0% 29.84 24.8% 2.233 0.85% . 1792 4096 2 995.3 142.% 854.7 136.% 30.65 35.0% 2.244 1.22% . 1792 4096 4 1137. 203.% 997.3 191.% 31.03 49.5% 2.258 1.83% . 1792 4096 8 882.3 174.% 16.16 3.36% 31.41 58.5% 2.291 2.12% bonnie++ with Adaptec 2200S card RHEL3 kernel: Version 1.03 ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP kickstation-178. 4G 6283 99 39262 29 13733 7 6567 99 48733 13 386.1 1 ------Sequential Create------ --------Random Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 433 19 +++++ +++ 671 3 447 20 +++++ +++ 533 11 tiobench adaptec RHEL3 kernel Size is MB, BlkSz is Bytes, Read, Write, and Seeks are MB/sec File Block Num Seq Read Rand Read Seq Write Rand Write Dir Size Size Thr Rate (CPU%) Rate (CPU%) Rate (CPU%) Rate (CPU%) ------- ------ ------- --- ----------- ----------- ----------- ----------- . 1792 4096 1 895.6 99.9% 688.0 88.0% 39.61 34.2% 3.486 1.11% . 1792 4096 2 1099. 137.% 847.1 108.% 38.86 49.7% 3.639 1.63% . 1792 4096 4 1278. 196.% 996.4 170.% 33.86 61.0% 3.657 2.73% . 1792 4096 8 1383. 232.% 1055. 185.% 31.73 67.1% 3.653 3.39%