3G file burns to -514M file on DVD-R
Fabian Keil
freebsd-listen at fabiankeil.de
Sun Jun 19 12:14:56 GMT 2005
"Andrew L. Gould" <algould at datawok.com> wrote:
> I have a gzip'd database backup file that's 3GB in size. I used mkisofs
> to create an iso image for burning to a DVD-R. Both the mkisofs and
> growisofs process appeared to finish successfully; but 'ls -alh' shows
> the resulting file to be -514M in size when the DVD-R is mounted in
> FreeBSD 4.10. When I mount the dvd in a separate FreeBSD 5.4 system,
> ls -alh results in 'ls: /cdrom/pgdumpall.gz: Value too large to be
> stored in data type'. I ftp'd the original 3GB file from the FreeBSD
> 4.10 system to the FreeBSD 5.4 system. ls -alh reads the size of the
> original file correctly.
>
> Windows reads the DVD-R and shows the file size correctly.
>
> I've tried recreating the iso image using -r and -l options and burning
> the iso file with and without the -dvd-compat option; but the results
> remain the same.
>
> Any ideas or advice?
Split your backup file before creating the iso.
At the moment FreeBSD can't handle big files on isofs.
If I remember correctly, big means > 1 GB, but I'm not sure.
You should still be able to extract the file with isoinfo
from the cdrtools port.
Fabian
--
http://www.fabiankeil.de/
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