Kay Diederichs wrote: > A good place to start comparing benchmark numbers for different RAID > levels is > http://linux-raid.osdl.org/index.php/Performance > in particular the links given in section "Other benchmarks from 2007-2008" > I like this bit of info from http://linux-raid.osdl.org/index.php/Performance Right under "Fresh benchmarking tools" "To check out speed and performance of your RAID systems, do NOT use hdparm. It won't do real benchmarking of the arrays."