Benchmark
Ppejack
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 ...