Posted by Alan Bealby on 11/07/07 20:15

On Wed, 07 Nov 2007 16:56:56 GMT, "Stuart Miller"
<stuart_miller@shaw.ca> wrote:

>
><lakedweller@ohionet.com> wrote in message
>news:nk03j3h9uup5i2jhht9a1ngho5sj9umcln@4ax.com...
..
..
>The dyes uses in dvd-r or dvd+r has been known to fade over time, but this
>is not related to number of reads.
>Apparently the dyes in dvd+rw and dvd-rw are less stable and may fade sooner
>than their 'permanent' counterparts.
>
>The advice seems to be, do not rely on your burned dvd's to be permanent. It
>would be wise to copy the important data to new media every few years. ( but
>how many of us will remember to do that?)
>
>Stuart
>
>
>
Re-writeable DVD's are supposed to have a limited number of rewrite
cycles depending on the type of disc. The following link gives the
approximate number of rewrites as 1,000 for DVD-RW and 100,000 for
DVD-RAM. This and other articles I have read never link lifetime to
read cycles but to age and/or rewrite cycles.

http://www.osta.org/technology/dvdqa/dvdqa11.htm

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