Linux

9458 readers

409 users here now

A community for everything relating to the GNU/Linux operating system (except the memes!)

Also, check out:

Original icon base courtesy of lewing@isc.tamu.edu and The GIMP

founded 2 years ago

MODERATORS

Ategon@programming.dev

anzo@programming.dev

dwraf_of_ignorance@programming.dev

How to automatically read DVDs that have I/O errors? (lemmy.zip)

submitted 4 days ago by hodgepodgin@lemmy.zip to c/linux@programming.dev

19 comments fedilink hide all child comments

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?

you are viewing a single comment's thread
view the rest of the comments

[–] hodgepodgin@lemmy.zip 1 points 3 days ago (1 children)

that was something I tried, to no avail. I used a clean lens cleaner with a dab of distilled water. I am only assuming at this point that the drive is scratched, but to my eyes there is nothing wrong with the CD. They are just maybe a decade old at this point and my cousins want a copy of the data which I intend to send them by ripping the existing CDs.

[–] elucubra@piefed.social 1 points 3 days ago (1 children)

Quick question, are these burned blank disks, or purchased commercial disks?

[–] hodgepodgin@lemmy.zip 2 points 2 days ago* (last edited 2 days ago) (1 children)

I believe they were burned, since we have blanks laying around. The data was migrated from tape I think.

[–] elucubra@piefed.social 1 points 1 day ago

Ok, you may be facing disk rot. Disk rot is much more prevalent on self recorded that commercial recordings.

ddrescue is probably your best bet.There are other options, but I've always had the best results with ddrescue. There is no way to fix disk rot.