well if you dont have any data you want to keep on the master then sure you can reformat.
Then even swap the drives around if you wish.
It doesnt matter terribly much, so long as you know which drive is which and the boot process is reliable
<b>Anyone claiming they can see the difference
between 450 and 500 FPS in Quake3 deserves to
be severely beaten with a rock.
</b>