What about M-DISC DVDs and BluRays? Archival grade, not susceptible to magnetism or EMP. I think BluRay discs are made of a harder material than DVDs and don’t scratch as easily.
> On Jan 16, 2023, at 8:11 PM, Chris via cctalk <cctalk@classiccmp.org> wrote: > > Been there. Seen it. It seems paper or tyvek is the way to store these things. > > But the question is in 2023 why are you still committing data to optical > media? I dumped all my cds and dvds on to magnetic storage years ago. I got > burned waiting as long as I did even. > > Some of the old spinning cd cleaner/restorers used an abrasive slurry. The > last one I bought (Onn) only has a cleaner afaik. You'll want to clean the > disks thoroughly. Then try a "cleaning" solution that's more aggressive. My > old cd cleaner would leave circular scratches on the disk. But it was > readable after that. In 1 instance (then I lost it). Such an approach should > be a last resort though. > > Don't just rely on Mac/Windoze facilities for reading stubborn disks. There > are programs that work better if you search.
