>
>              wd0             wd1            cpu
>    KB/t t/s MB/s   KB/t t/s MB/s us ni sy in id
>
>   64.00 200 12.50  64.00 209 13.0   2  1  0  0 97
>   64.00 210 13.12  64.00 211 13.1   0  0  2  0 98
>   64.00 222 13.86  64.00 221 13.8   0  0  0  0 100
>   63.69 177 11.02  64.00 270 16.8   3  0  1  0 96
>
> Anyone have a good model for what is going on here?

a) you put them on master/slave config
b) it's VIA chipset