Burning DVD with files>4GB from console

Steve Polyack korvus at comcast.net
Thu Dec 4 09:54:36 PST 2008


Not too say you're .iso images can't be >2GB/4GB, but I'm pretty sure 
the ISO9660 standard is limited to a 2GB maximum file size (for files 
within the .iso).  You must use UDF to burn files of greater size.  
mkisofs(8) seems to support this, if only in alpha/hybrid stage:

       -udf   Include UDF support in the generated filesystem image.  
UDF sup-
              port is currently in alpha status and for this reason, it 
is not
              possible to create UDF only images.


Stephen Montgomery-Smith wrote:
> David Kelly wrote:
>> On Thu, Dec 04, 2008 at 10:48:54AM +0100, Bartosz Stec wrote:
>>> My backup script split filesystem dumps to files with size of 4,37 
>>> GB (4 588 544 kB). It's just an optimal size to fill out DVDs. At 
>>> this moment I have to burn them from windows via smb-link becuase I 
>>> didn't manage to do this task from FreeBSD console due to 2GB/4GB 
>>> filesize restrictions (growisofs).
>>
>> Since when did FreeBSD (or growisofs) have a 2GB/4GB filesize limit? I
>> have burned 4.3GB DVDs several times.
>
> I never had a problem writing huge files.  But I did have a problem 
> subsequently reading it with Windows XP.  Maybe the file size 
> restriction is a Windows thing.
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