Le vendredi 08 Septembre 2006 07:17, Moose a écrit :
> Manuel Viet wrote:
> > I certainly wouldn't trust a CD or DVD for important backups, however
> > good reviews they get. On top of the reasons I wouldn't do it, consumer
> > grade burners have a tendency to be more and more loosy at writing
> > correctly, and rely more and more on the electronic to save their day
> > with accurate CRC.
>
> [...]
> If one instead assumes a slow, steady deterioration that increases
> errors over time, then the number of initial errors is important, but I
> don't think that is a major consideration with the gold+Mutsui dye
> disks.
That's the whole point : dye deterioration is slow and steady (unless storage
is specifically tailored to keep various parameters constant), but fault is
instantaneous. That's too much chilling for me. I prefer the hard drive
solution, at least S.M.A.R.T. gives insight on the drive condition with the
right tools.
> It seems far more likely that the data will be transferred to a
> new medium before there is any medium failure.
>[...]
> Whatever shows up next really doesn't matter, I'm just trying to
> maintain some back-up until the next thing comes along, be it solid
> state on silicon or crystallographic encoding that will keep all human
> knowledge in a little piece of salt.
When it comes to archival, the trouble is that we must forsee how someone else
is going to deal with our heap of pictures. When we had brownies boxes full
of gran'pa pictures, basically we just could shelve them if not interested,
without loosing any legacy for our own children if they wanted to take a look
later. Digital is probably going to be much more selfish. Once the shooter is
gone, gone are the pics. They'll be either locked by a password, if not
biometry in a near future, or will fade because nobody's going to have a
reader anymore, assuming the medium would still be OK. But maybe our images
are not that important, anyway.
--
Manuel Viet
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