I ran the below command to check file system on a few DVDs. sudo file -s /dev/sr0 The DVDs which were working had responded properly to this command. But the DVDs which were not getting burnt (by ...
I tried dd, dd_rescue and ddrescue, all failed. I thought these tools bypass the filesystem and make a bitwise copy. dd is fooled, it finishes but just produces a small file and states it's finished. ...