>Sadly, no measurements. You are ready to go to much farther lengths to do measurements than I am < s >.
I do like numbers <g>
> I'm not about to unRAID/RAID the 2 HDs to find out. Too worried about implications.
Understandable. But you could check the read vs. write - performance. Not an exact way, but should give hints.
>
>But I can say that, perhaps a dozen time since starting it use about 16 months ago, the BIOS seemed to have lost it way to the boot drive. A simple (re)setting to the array does the trick, but it sure had me worried the first couple of times.

would have given me a couple of bad nights as well...

regards

thomas