Isn't this what the Linux badblocks program is for? Why don't you take that
and find a way to feed this into badsect(8)...
> OK. I have a disk drive that is failing in random ways. Today blocks
> 123 456 and 293 might be unreadable. Tomorrow, it might be these and
> 27 or it might just be 27. It is an IDE drive. I was wondering if anybody
> had a program that would read the entire disk and keep a list/bitmap of
> the bad blocks and try them again next time the program is run. Operating
> on a slice or partition level would be ideal (I have a 20G disk that
> is failing, but only about 18G of free space).
>
> Ideas?
>
> Warner
>
> P.S. Basically what I want at the end of the day, disk willing, is
> what dd if=/dev/ad8s2a of=/huge/big-honkin-file ... would give me.
> I want this so I can then dump it to tape. I can't run dump directly
> since it hits those bad blocks and whines.
>
> P.P.S. Yes, I know I should have backups.
>
> P.P.P.S. Yes, I know that I may be SOL.
>
>
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