>Lastly, Manuel posted the attached program last week; run it on your disk
>if you want to "scrub" it.  Be sure the S.M.A.R.T. option in "on" in your
>BIOS; this will cause hard sector errors to be remapped to spare sectors
>transparently to the OS when a "write sector" operation fails.

I don't think SMART is a feature of your BIOS (it certainly isn't in
any of the BIOSes that I've seen); that's more like a feature of the drive.
Maybe atactl should be extended to turn that on and off.

--Ken