[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Thoughts on writing CD from stdin



Paul Serice <paul@serice.net> wrote:

> The obvious thing to try is to put the root directory (more or less)
> immediately after the PVD.  With read-only media, this can be a
> problem because there is no way to go back and fill in missing
> information -- like the size of files.
>
> So when the size of stdin is not known in advance, there isn't much
> choice: the PVD must be written very early, and the PVD must specify
> the location of the root directory.

This is why mkisofs implements -stream-media-size since 6 years ;-)

> Incidentally, this is why burning iso9660 images to DVDs was broken on
> linux for so long.  Software put the root file system at the end of
> the media.  For a DVD, the end of media is greater than 4GB which
> could not be seen because linux was using a 32-bit, byte-oriented
> inode scheme.

This is wrong.

Jörg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
       js@cs.tu-berlin.de                (uni)  
       joerg.schilling@fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/
 URL:  http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily


Reply to: