Re: [Dvdrtools-users] Re: Burning a DVD with > 2GB files -- What files are you'all burning >2GB???

[Sean]

In my case I'm simply generating large audio/video files that
occasionally run over 2GB in size.

On Sun, 2003-01-19 at 16:12, Bryan J. Smith wrote:
> On Sun, 2003-01-19 at 12:39, André Dalle wrote:
> > I posted a while back about the same issue.  I have the same error with 
> > mkisofs.
> > I have no troubles building 4+ GB ISO images, and burning them, so long as 
> > files are
> > less than 2GB.
> > I can create ISO images consisting of 2+GB files from Prassi PrimoDVD 2.0 
> > in Windows.
> 
> Are you sure it is creating ISO9660 images?  Or could it be using either
> an extension or another format (like UDF)?
> 
> [ NOTE:  I honestly don't know myeslf, I haven't read the ISO9660 spec ]
> 
> > I can loopback mount these images under Linux and access files just fine, 
> > and
> > burn them with dvdrecord.  
> > This is my current workaround - I generate the iso from the Windows-based 
> > app,
> > writing it to my Linux system, which is running Samba 2.2.7.
> 
> BTW, I'm curious why you'all are mastering images with such large files?
> 
> I hope you're not putting large tar.gz in them.  Considering that:
> 
>   A)  All it takes is a single byte error to destroy your entire archive
> from that point forward, and
>   B)  This double-archiving (remember, CD images are a type of archive
> format) results in exponentially increasing the time it takes to access
> files
> 
> As such, using big, single file tar.gzs are not recommended.
> 
> If you feel you must "double archive," at least using something like
> afio (cpio-compatible), which does per-file compression in the archive. 
> In addition to removing tar.gz's "single byte total corruption" issue,
> it also allows you to break up archives into multiple, independent
> archives (_unlike_ using split, which still requires you to have all
> pieces).
> 
> Either that, or copy the tree you want to master, recursive gzip, bzip2
> or lzop the files themselves, and then master that.  In addition to
> massively decreasing suseptibility to single byte errors, you can
> directly browser your tree on CD, and easily restore individual files.  
> If you'd prefer this, I have a script that will do this for you (it was
> published in the 2002 April edition of SysAdmin). 
> 
> -- Bryan