Program to copy data from a bad disk?

[Brooks Davis]

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?

recoverdisk(1).

-- Brooks
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-chat/attachments/20080406/57d25d0b/attachment.pgp