This is iozone the disk throughput bench compiled on Solaris x86. Look at the beginning of iozone.c file to get a description of how iozone makes disk measurements. If you like please mail the results of your test. If you have 32 meg installed on your system run: iozone auto iozone 10 iozone 20 iozone 30 The last test iozone 30 should definitly thrash the disk cache buffer if you running open windows. This shows a good worse case for sequential reads. Note: If you send me your results include: machine processor type: Processor speed: Disk Controler type: Amount of memory: ---Bob palowoda@fiver.sns.com