[rlv-dan]

I wrote an article in a similar vein some years ago that might interest you too:

https://www.rlvision.com/blog/how-long-do-writable-cddvd-las...

[parsimo2010]

Thanks, I read your article and my main reaction is that I'm saddened by the loss of data on those few unreadable discs. I hope it wasn't something you'll need to dig up in a few years.