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  • Hi, Thanks for the suggestion. I tired ddrescue and was going through the man page when I noticed that it says dvdisaster is better for CDs as it can read raw data. It has been running for almost 2.5 hours now and it says 89% is recoverable and is still going. Any idea how long does ddrescue usually take to rescue a 4.7gig disk? Commented Oct 5, 2022 at 16:21
  • @DentFuse, The time if the whole drive is easy to read would be the same for ddrescue as with other tools (so calculate from the previous rate). But when part of the drive is difficult to read (bad or 'almost' bad sectors), ddrescue works very slowly, and it is impossible to predict the remaining time until it cannot recover any more data. My most extreme case was when I recovered video from a marriage from two DVDs, it took more than 2 weeks totally. - So you need patience. Commented Oct 5, 2022 at 16:37
  • Thank you, one final question, when no more data recoverable, does the program point this out or does it keep going making no progress at all for an extented amount of time? Commented Oct 5, 2022 at 17:26
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    It exits (cleanly) Commented Oct 5, 2022 at 17:54