[ILUG] Read data from partially recorded dvd?

[Pádraig Brady]

Conor Daly wrote:
> So, I have an LG dvd recorder.  On a regular basis, it hangs when
> finalising a pre-programmed recording and the only way out is to power off
> the machine.  Sometimes it will recover, sometimes it shows no awareness
> of having recorded anything even though I watched it.
> 
> Now, this evening it missed something important and I'm trying to read the
> recording using dd.  The recordings are in mpeg 2 format so dd is usually
> sufficient to read them.  In this case, the recorder hung and shows no
> trace of the recording though I believe the data is physically on the
> disc.  Before dd can read these discs (Lidl cheap DVD+RW discs), the
> recorder has to finalise them and write a TOC.  Because the TOC does not
> include the recorded data, dd appears unable to read those sections of the
> disc.
> 
> The question is:  Is there a way to have dd read from a section of the dvd
> that is not referred to in the TOC?  Is there anything else out there that
> will do it?

Are these DVD-VRs perhaps?
http://www.pixelbeat.org/programs/dvd-vr/

That probably won't help you if the meta data isn't written correctly.
The author of isobuster (a windows prog) contacted me about DVD-VR
support he was adding, so maybe that could help.
Maybe dvdisaster has a low level scan option?

Pádraig.