I've just created a RAID0 array using 2 x Samsung Spinpoint T166 320mb with my GA-P35C-DS3R. I used the ICH9R driver on the motherboard driver CD. The HD are plugged into SATA Port 0 (Master) and Port 1 (Master). I've installed XP and the raid works fine, but running HDTune shows very poor performance.
Average transfer rate = 78.1 MB/s. Min is 70.8, max is 93.0.
Access time is 15.9s.
Burst Rate = 117.6
In the Tom's Hardware RAID Scaling Charts (http://www.tomshardware.co.uk/raid-scaling-charts-uk,review-2340-10.html) using the same model HD's give transfer rates around the 150-155MB/s mark, so around double mine. I know these charts were using a hardware controller, but surely that can't account for much a large performance difference.
Any ideas what is causing such poor performance?
Average transfer rate = 78.1 MB/s. Min is 70.8, max is 93.0.
Access time is 15.9s.
Burst Rate = 117.6
In the Tom's Hardware RAID Scaling Charts (http://www.tomshardware.co.uk/raid-scaling-charts-uk,review-2340-10.html) using the same model HD's give transfer rates around the 150-155MB/s mark, so around double mine. I know these charts were using a hardware controller, but surely that can't account for much a large performance difference.
Any ideas what is causing such poor performance?