DVDDisaster

[jabr-iwcNaMm7aMIiq3RsQ1AnAw at public.gmane.org (John Abreau)]

On Wed, Nov 19, 2008 at 4:03 PM, James Kramer <kramerjm-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
> A few days ago, a post on BLU discussed long term storage media.  I
> just came across DVDDisaster and wonder if anyone recommends using it.
>  Here is the link
> http://dvdisaster.net/en/
>


It looks like an interesting idea. As they point out in their FAQ,
it doesn't really guarantee your data; it just makes it possible
to recover your data if you catch it shortly after it starts to fail.

Without something like dvdisaster, you basically have to guess
at when a disc is likely to fail, and copy its data before that occurs.
With dvdisaster and a careful routine of verifying your discs
at routine intervals, you can wait until a disc begins to fail, and
create a new copy at that point.

The routine media verification is essential, otherwise you're
 likely to miss the window of opportunity where there's still
 enough redundancy to recover the data from the failing disc.



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John Abreau / Executive Director, Boston Linux & Unix
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