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The Tuesday 2007-10-16 at 13:18 -0400, Jorge Fábregas wrote:
Hello guys,
I need to split a big tar into a couple of files so I can burn them on DVD+R
media. I use Nero for this because it allows me to use UDF as the filesystem
(allowing me to burn one BIG file).
Considering that a DVD+R holds 4483MB (without overburn),
4700 MB or 4.59 MiB.
how big should I
split my big file? I want to burn AS MUCH AS POSSIBLE but I need to consider
the filesystem overhead.
The maximum size of a file inside an iso filesystem is 2 GiB. But you do
not need to format a DVD as ISO: you can, for example, burn an XFS image,
that has the least overhead.
It would also be possible to burn the tar file "raw", meaning absolutely no
directory overhead:
growisofs -Z /dev/dvd=sometarfile.tar -dvd-compat -speed=8
this way you can burn the 4700 MB. Of course, reading it back needs a
little trick (use dd, not mount).
- --
Cheers,
Carlos E. R.
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