Re: [Dvdrtools-users] Burning a DVD with > 2GB files

[Scott Talbert]

On Sat, 18 Jan 2003, Greg Madden wrote:

> > I have finally been able to get my Sony DRU-500A with cdrecord-ProDVD 2.0
> > which just came out recently.  (Previous versions of ProDVD and version
> > 0.1.2 of dvdrecord do not work for me.)
> >
> > Anyway, I want to use my DVD recorder to make backups of my system.  My
> > method is to tar and gzip my files, mkisofs them, and then record to DVD.
> > Unfortunately, my plan caused me to run into the 2GB file size limitation
> > of mkisofs (my tar.gz files are > 2GB).  So I cannot burn them to DVD.
> 
> I wasn't aware there is a 2gb limitation. The only 2gb limitation I
> recall was one due to the 2.2.x kernel series in GNU/Linux, fixed in the
> 2.4.x series. I suppose it depends on what OS you are using.

Hi Greg,

The limitation actually appears to be with the ISO filesystem.  mkisofs 
ignores files larger than 2GB when you try to add them to an ISO.  See 
below.

bear:/mnt/backup# mkisofs -r -J -o backup.iso 2003-01-19.tar.gz 
mkisofs: Value too large for defined data type. File 2003-01-19.tar.gz is 
too large - ignoring
Total translation table size: 0
Total rockridge attributes bytes: 169
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 5000
48 extents written (0 Mb)
bear:/mnt/backup# ls -l 2003-01-19.tar.gz 
-rw-r--r--    1 root     root     2627256078 Jan 19 04:33 2003-01-19.tar.gz
bear:/mnt/backup#