sean darcy wrote:
From in info pages, first I did:
ddrescue -n -v -b2048 /dev/dvd quark.iso logfile
...
That took about an hour.
So it took ddrescue only an hour to discover your dvd is totally
illegible. Not bad.
Then:
ddrescue -d -v -b2048 /dev/dvd quark.iso logfile
...
This has been running for 10 days. logfile is now up to 6MB. AFAIC,
ipos/opos keeps going up to 7782 MB, then starts over.
If left alone, ddrescue will try every sector in the dvd. Given that
this dvd seems totally illegible (ddrescue has rescued nothing yet), and
supposing the reader takes one second to report every bad sector (very
optimistic), ddrescue can be running for 44 days before finishing.
Try to rescue the dvd on another reader and if the first pass rescues
nothing, give up. sorry.
Regards,
Antonio.
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