Re: DVD rescue: Rescued data in mapfile goes past end of input file ?

[Christian Franke]

Antonio Diaz Diaz wrote:
> Hello Fab,
>
> Fab Stz wrote:
> > I have this error message:
> >
> > Rescued data in mapfile goes past end of input file.
> > Use '-C' if you are reading from a partial copy.
>
> This means that the first DVD reader reported a size larger than the 
> second DVD reader did. Maybe the first reader rescued the two lead out 
> sectors at the end of the DVD, and the second reader does not 
> recognize them as part of the input. See 
> http://www.gnu.org/software/ddrescue/manual/ddrescue_manual.html#Optical-media

Other differences might occur if a rewritable DVD is used: lseek(fd, 0, 
SEEK_END) might return the full recordable size if a DVD recorder is 
used, but not if a reader is used. This might also depend on operating 
system.

--
Regards,
Christian