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Posted by Voinin on 04/10/06 02:09
Louis Somers wrote:
> Hi,
>
> I'm making a backup of my whole data-Harddisk (not the OS) to a winrar archive, resulting in one huge
> file which I currently store on an external HD. I can however have Winrar split it up in chunks of, for
> example 8.3 Gig.
>
> I'm planning to get a Dual Layer DVD writer to make permanent back-ups on a regular basis, but would it
> be able to write the chunks I generate? should I keep them under 4Gig?
>
> Maybe I should make chunks of about 2.135.000.000 bytes and put 4 of those on a single DVD (total
> would be 8.540.000.000 bytes).
>
> Any ideas about what the best practice is for such applications?
> I'm anctious to hear opinions or experiances on this subject.
I didn't know the answer to your question and it intrigued me, so I did
a test burn using a 4.7 GB DVD-RW disc. (I don't have any double-layer
rewritables and they're too expensive to experiment with, so I didn't do
any testing with the larger format.) I took a DVD image file and burned
it to the rewritable as a single file, not an image; i.e. the ISO file
appears as an ISO file on the DVD, not the individual files that the
image contains. Nero burned the image with no complaints. Nero usually
complains when you try to burn something in a way that won't work after
the burn completes. (I'm writing this as I burn the disc which is why
you're getting a blow-by-blow description.) The file is intact and can
be read properly after burning. So I'd say the answer to your question,
insofar as 4.7 GB discs are concerned, a file that takes the full size
of the disc will work just fine.
--
One can be the master of what one does, but never of what one feels. -
Gustave Flaubert (1821-1880)
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