Recovering a DVD

[Chuck Swiger]

On Oct 29, 2010, at 10:54 AM, Jason C. Wells wrote:
> I have a back up DVD that I cannot mount.  dd won't read /dev/acd0  with an error "dd: /dev/acd0: Input/output error".    Tried dvdisaster but it can't find my drive. Any pointers you can offer in getting this data off this disc are greatly appreciated.

Try adding "bs=2048" or "bs=32768" to your dd line...?  Also, what does "atacontrol list" say about your DVD drive?

Regards,
-- 
-Chuck