On Sat, Oct 17, 2009 at 12:17:36 -0400,
Tony Nelson <tonynelson(a)georgeanelson.com> wrote:
Sadly, you have not fixed any of the bad blocks by deleting the
files.
The bad blocks will only be replaced when they are written to. Now
that the files are deleted, you will need to write to all the free
space of the drive to write to the defective blocks. This should do
the trick (as root, or from the Rescue CD):
He should be able to get the sector numbers by running long self tests.
On the disks I have own, this only gets you one sector per scan rewrite
cycle. Also note that linux tools such as dd write 8 sectors at a time
and if you try to write less than that, a read will be tried first which
will most likely fail because of the bad sector.