this post was submitted on 17 Sep 2025
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How to automatically read DVDs that have I/O errors? (lemmy.zip)
submitted 1 day ago by hodgepodgin@lemmy.zip to c/linux@programming.dev
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I have a collection of DVDs and CDs that I’ve been meaning to archive. However, most of them must be scratched because whenever I try to read them, they get an I/O error in a random spot of one of the 1gb files. I heard that you can do some magic with ddrescue and possibly even read them in reverse, but don’t know the limitations of that when it comes to USB DVD readers. How can I copy these reliably?

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[–] fraksken 1 points 5 hours ago

I thought the spray was just distilled water, no dish soap.

I suspect the water is for the friction. You don't wanna melt the plastic