There really is no "virgin" area of a drive. Windows tends to scatter
everything all over the place. If you drive has S.M.A.R.T. information,
there are several utilities that can access what S.M.A.R.T. thinks of the
drives' condition. But I would take that with a grain of salt. According
to SMART by Compaq's laptop drive should have died about 6 years ago. It
is still running fine. I also have a 500G Seagate that has also lived
several years past it's SMART expiration date. For the record, neither
drive holds critical data. I may be arrogant, but not foolish. I've got
a couple of drives that are over ten years old that still run fine and
have no errors. I bought 4 Western Digital drives where three failed
within 3 years and I just threw the last one away. So much for brand
loyalty.
If your data is critical you need two things. RAID and a good backup
plan. RAID has saved me more than once. As has a good back up plan. You
will need to store your critical data on tape, disk, or USB disk or even
better, a CD or DVD ROM. I store my critical data on a DVD and put the DVD
in my safe deposit box. What ever you store your data on, it needs to
away from your working computer. That way if something happens to your
computer, you have your backup at a different location it is not damaged, as well. Also
look at encrypting your data on the storage media. I prefer TrueCrypt.
Most drive failures are catastrophic. One minute the drive is running,
makes a funny nose and is dead. I've had several die with no warning. S.M.A.R.T. on warned me on one of the 4 WD drives that failed, after it died.
-JJ