[rescue] cd-rom rot

Mike Spooner mikes at aalin.co.uk
Thu Feb 20 04:50:35 CST 2020

Yes, I've seen the same happen with pressed CDs - in particular, the 1992 and 1993 Catalyst CDware discs from Sun. They "decomposed" exactly like this within 5 years. On the other hand, my late-90's SunSolve CDs look OK.


20 Feb 2020 09:54:25 Walter Belgers <walter+rescue at belgers.com>:

> Hi,
> I've been spending quite some time imaging all the OS CDs I have. Done
> about 320GB, I think I am not yet half way.
> Most CDs were working fine, although the SunSolve series had problems,
> the player took some more time to focus, especially at the end of the disc.
> But there was one Solaris 2.0 CD that I took out of the original shrink
> wrap, that came out like this:
> https://giga.nl/walter/computers/solaris_2_cd.jpg
> Obviously, it was unreadable. Have others seen such a thing before? The
> CD has been stored in my house, so not somewhere cold/damp/..
> We all know tapes do not have endless lives, but I am now also worrying
> about CDs.
> Cheers,
> Walter.
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