Program to copy data from a bad disk?

Ceri Davies ceri at submonkey.net
Sat Apr 5 16:24:10 UTC 2008


On Fri, Apr 04, 2008 at 05:03:09PM -0700, LI Xin wrote:
> Hi,
> 
> Recently my hard drive goes bad again, which has a lot of bad sectors for 
> unknown reasons.  I am looking for some software that is capable of doing a 
> sector-to-sector copy of the hard drive.
> 
> I have tried dd but with conv=noerror,sync it would just fill 0's for the 
> whole block size (say, in order to get best speed you will want bs=128k or 
> even larger, but that means that you will lose data  when 1 of these 256 
> sectors is bad).  Is there any program that is smarter which do a 
> sector-to-sector copy for these failed blocks and use larger transfer 
> buffer for others?

I don't know how it works, but did you try src/tools/tools/recoverdisk ?

Ceri
-- 
That must be wonderful!  I don't understand it at all.
                                                  -- Moliere
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