Very Poor Raid Card Performance

[Steven Lowry]

Hello,

I have been very impressed with my FreeBSD 6.2 install, I have nearly
everything working but there are a few things which I need help with.

The main problem is my HD performance, it is approx 6x slower than in
windows XP, hopefully there is a solution. I have an LSI Megaraid 8x with
four drives in a raid 5 configuration, in windows I was getting upto 60MB/s
transfer rates but in FBSD I am getting upto 9MB/s. I followed the
instructions in the handbook for tuning disks and I have set dma on.
Being new to unix, I have no idea what to try or get system information
too continue troubleshooting.
If anyone could point me in the right direction or to appropriate
documentation
it would be much appreciated.

Steve...
-- 
Folding at home http://folding.stanford.edu/