Re: DVDs created with too large files
On Mon 3 November 2003 00:06, Volker Kuhlmann wrote:
> > But can a file span multiple extents? The way I read the
> > comment Gary quoted, it's legal to have an image that is over
> > 2GB in size, as long as each file inside that image is no
> > larger than 2GB.
>
> Careful - the comment was about mkisofs, although it was in the
> kernel source. It definitely says file*systems* >2GB are legal,
> otherwise it says mkisofs can't handle single *files* >2GB - that
> doesn't necessarily mean they're illegal. The comment may also be
> old and no longer true for current versions of standards.
Good point.
[...]
> > That seems to me like
> > the only logical way to explain why the comment says it's
> > legal, but the code claims it's illegal to have files that are
> > more than 2GB in size.
>
> You're mixing up file with filesystem here?
Erm, actually, what I said doesn't make sense at all. Never mind...
> > so apparently at least someone looked at ISO Level 3 support.
> > I'd say send a message to linux-kernel and see what they say
> > about it...
>
> Yes, together with a raft of other iso9660 issues :(
>
> Perhaps mkisofs is now able to handle files >2GB, the lack of a
> suitable error when creating the filesystem does suggest so.
> However, for Linux that's a moot point as Linux doesn't handle
> >2GB, but mkisofs isn't only used on Linux. Thanks Gary for the
> warning about that.
Linux in general does have large file support now doesn't it?
Incidentally, I had a quick look at the same file in 2.6.0-test9,
but apart from adding support for compressed iso9660 filesystems
(zisofs?) and some stuff apparently to do with multisession
handling nothing much seems to have changed here.
Lourens
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