Yup. I've seen the same with many of the CD holders I bought from CompUSA. Lots of CDs/DVDs we burned and stored were unreadable after a few years despite never being removed. Some blame is the CD/DVD quality and holes in the unprotected label but definitely scratches.
On Mon, Jan 16, 2023, 6:50 PM Zane Healy via cctalk <cctalk@classiccmp.org> wrote: > This is a strange one. I have a bunch of CD sleeves like this, that I > used to use. > > > https://www.amazon.com/Mediaxpo-Double-sided-Refill-Sleeve-Holder/dp/B002ROAIC2/ref=sr_1_16?crid=2IDUIGLI7EY9I > > I’m trying to recover data from a Verbatim DataLifePlus CD, and when I > started looking at it, I noticed that it has a cross hatch/herringbone > pattern on it. > > Has anyone run across anything like this? At first I was hoping to simply > wash it, as it seemed like that might be possible. I tried to wash it > multiple times, and while it seems a little better, it’s still not clean, > and I think that it might actually be etched into the surface, due to a > chemical reaction. > > Thankfully Toast 14’s “Use Data Recovery” option was able to recover the > data, and image the CD-R. > > Another problem I’ve found is that you need to use a Mac running a version > of MacOS prior to 10.15 if you have HFS formatted CD’s. I bought a nice > external drive, since my DVD-RW drive in my 2010 Mac Pro died, planning to > use it on my MacBook Pro, only to discover that MacOS 12 wouldn’t read most > of my CD’s. You can’t even do a ‘dd if=/dev/disk5 of=test.iso’, as they > appear to have broken basic UNIX functionality. > > Zane > > > > >
