Re: forcing copy mode to finish

[Antonio Diaz Diaz]

jason laughman wrote:
> I've been using ddrescue to try and recover a failing 2 TB HDD.  It's
> been running for close to three weeks now and it's still only in pass 3
> of copying. It's recovered all but about 32 GB, and at the rate it's
> going I may just be willing to write that data off and/or regenerate it.
> I'd be a lot more comfortable with that if I knew what files would be
> affected, though.  What I would like to do is have it just finish where
> it's at and mark everything non-tried as bad-sector, or give up a *lot*
> quicker, and then use fill mode to try and figure out which files are
> incomplete, as described in the documentation.  Is there a way to do
> this?

You can use fill mode to figure out which files are incomplete without 
having to mark anything as bad-sector and the such.

First stop ddrescue with Ctrl-C. Then fill all the non-finished areas in the 
destination partition like this:

ddrescue --fill-mode='?*/-' <(printf "NON-RESCUED-SECTOR ") /dev/sda2 
copy_of_mapfile

It is best to use a copy of the mapfile for the fill to avoid changing the 
original mapfile, which would prevent ddrescue from continuing the rescue 
where it was interrupted (in case you wish to do that).


Best regards,
Antonio.