[rescue] cd-rom rot

Robert Toegel rjtoegel at gmail.com
Thu Feb 20 14:51:42 CST 2020

There was an article years ago in Scientific American about how permanent
difference storage media were before you find bit errors appearing.  IIRC,
it was about two years for floppies and about ten years for CDs.  That one
lost a lot of bits, lol.  Guess paper tape wins again.


On Thu, Feb 20, 2020, 15:10 box <bifo86 at sdf.org> wrote:

> 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.
> >
> Yes, I started hearing about it about ten years ago but only about first
> generation (i.e. 80s) audio CDs.  It could begin affecting data CDs made
> on the older equipment or with the same stock from around the same era,
> but CDs were rare enough back then that people haven't noticed it.
> bifo86 at sdf.org
> SDF Public Access UNIX System - http://sdf.org
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> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue

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