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."