[CentOS] Software RAID resync

Rajagopal Swaminathan wrote:
>
> I powered down the box and changed the SATA mode in BIOS f4rom Auto to 
> Serial ATA. That did the trick
>
> avg-cpu:  %user   %nice %system %iowait  %steal   %idle
>            0.00    0.00    2.60    0.00    0.00   97.40
>   
and, note its now not only copying the data nearly 100X faster, its 97% 
idle.  I believe your earlier iostat showed like 60% system time or 
something.