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I have a burned CD with some bad sectors that I'd like to recover (it's not a game, it's a rendered animation from 1999… and unfortunately, it's zipped to save
by Sesse__ 9mo ago
I have a burned CD with some bad sectors that I'd like to recover (it's not a game, it's a rendered animation from 1999… and unfortunately, it's zipped to save 0.1% or so); this makes me want to go hunting for a couple hundred CD-ROM drives to save it…
- compsciphd 9mo agoddrescue to image the CD. mount the image. copy off files (bad sectors will all be 0). unzip and see what you got. if its a small amount i'd bet you would have something usable if not eperfect.
- compsciphd 9mo agoslight edit: unzip with option to keep the broken file (with the hope, unsure if this is true) that unzip can be resilient in the face of errors and keep on unzipping. (I know from experience rar is).
- boltzmann-brain 9mo agoif it's just "some" bad sectors, maybe you can just bruteforce guessing what was in those sectors.
- Sesse__ 9mo agoWith a sector being 2048 bytes, it would seem optimistic to try 2^2048 different possibilities in case some of them contain what looks like good data.