On Tue, 2004-02-03 at 17:28, Marshal Newrock wrote:
> On Tue, 3 Feb 2004, Mark Knecht wrote:
> 
> > > How about just unmounting the disk and trying:
> > >   dd if=/dev/cdrom of=EXILE_DISK_1.iso
> > > perhaps? That'll give you an exact (and burnable) copy of the disk.
> >
> > Not a happy dd process...
> >
> > Gentoo2 root # dd if=/dev/cdrom of=EXILE_DISK_1.iso
> > dd: reading `/dev/cdrom':Input/oupuut error
> > 3304+0 records in
> > 3304+0 records out
> > Gentoo2 root #
> 
> That's correct.  You get an I/O error when it hits the end of the disk.
> If you mount the .iso on loopback, you'll see it's complete.
> 
> readcd (which I think comes with cdrtools) also does a similar thing.

That's really interesting. Can you explain 'mounting on loopback'? What
is that? I only have one Linux book (Linux in a Nutshell) and it doesn't
have loopback in the index.

Anyway, if there's a chance that will work I'll do it again and write
the CDR.

Thanks!

- Mark


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