Date: Sun, 19 Jun 2005 18:28:06 -0500 From: "Andrew L. Gould" <algould@datawok.com> To: Fabian Keil <freebsd-listen@fabiankeil.de> Cc: freebsd-questions@freebsd.org Subject: Re: 3G file burns to -514M file on DVD-R Message-ID: <200506191828.07064.algould@datawok.com> In-Reply-To: <20050619141506.1222993f@localhost> References: <20050619141506.1222993f@localhost>
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On Sunday 19 June 2005 07:15 am, Fabian Keil wrote: > "Andrew L. Gould" <algould@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 Once I've burned the DVD, how can I rejoin the files created using the -split-output option so that I can reload the database from the dump file? The man pages for mkisofs, isoinfo and split weren't very helpful in this regard. Thanks, Andrew Gould
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