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Date:      Sat, 21 Dec 2002 22:13:10 +0100 (CET)
From:      dalroi@solfertje.student.utwente.nl
To:        stable@freebsd.org
Subject:   Writing to ISO-images mounted as vnodes?
Message-ID:  <20021221212903.0B80E380@solfertje.student.utwente.nl>

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While I was thinking how to make a bootable DOS-CD (the floppies for
sale now just aren't as reliable as they used to be), I thought of the
following strategy:

 - copy the ISO-image of my Win98 install-CD (AFAIK that's legal if you
   own the CD).
 - configure the image as a vnode (vnconfig).
 - mount the vnode (mount_cd9660).
 - remove the files that are not needed (the ones that install Win98)
   from the mounted vnode; just leaving a DOS boot-CD with just a little
   more useful utilities than would fit on a floppy...

Unfortunately, mounting the vnode as cd9660 mounts it read-only, and
I couldn't find a way to mount it "rw" (-o rw doesn't seem to help).

Is this possible?

Related, I think it would be nice if mkisofs could be run without any
input-files a la: "mkisofs -o cd.iso" making an empty iso-image.
This way (-If- an iso-file can grow) it would be quite easy to make
iso-images by just copying files to a vnode.
Kind of like some Windows CD-burn utilities do this...

I think it would be a nice alternative to the usual way. It may even be
welcomed by the 'desktop environments', allowing them to have a
mount-point to copy files to, to burn them on CD-RW.

Any input?

-- 

Alban Hertroys                              http://solfertje.student.utwente.nl
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
AD&D:		You fall from the cliff.
		The ground attacks you.
		It missed.


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