Quoting Wojciech Puchar <woj...@wojtek.tensor.gdynia.pl>:
I think there are optimal situations where any configuration looks good . . How often can a real-world disk actually deliver the 6Gbs when only a minority of disk reads are long sequential runs on the platters?none of hard drives can saturate 1.5Gb/s
There are many disks out that do 150-200MB/sec, easily exceeding 1.5gb/s speeds.
