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Re: dvd multi-session

i am now able to write in multiple sessions. i had to do a blank=all
using cdrecord-prodvd to do it. but it looks like both sessions need to
be an isofs.

now i am trying to write multiple tar archives to the dvd media as multi
session and it is failing.

my first command:
# tar cvf - /tmp | growisofs -Z /dev/scd0=/dev/fd/0
works great, exactly what i hoped for. i am able to get the data back
from the media using:
# readcd dev=0,0,0 f=tarpipe | tar -tvf tarpipe

my second command and its output:
# tar cvf - /opt | growisofs -M /dev/scd0=/dev/fd/0
tar: Removing leading `/' from member names
:-( /dev/scd0 doesn't look like isofs...

does this imply that there has to be an isofs on the disc to append to
it? growisofs did not seem to care that the first image i wrote was not

On Wed, 2003-09-10 at 00:13, Andy Polyakov wrote:
> > dvd+rw tools to write multi-session are failing.
> dvd+rw-tools fully support DVD multi-sessioning and if growisofs fails,
> then you most likely have wrong expectations:-)
> > i have a pioneer dvr105 using media supplied with drive.
> > # cdrecord-prodvd dev=0,0,0 -v -multi home_stx.tar
> > works great!
> Except that -multi option is effectively ignored and media is recorded
> in DAO mode. DAO recordings are *unappendable* by definition, in other
> words disk is basically finalized and *no* program on earth will be able
> to append data to it. If you want to record multi-session DVD you have
> to perform initial recording on either:
> - *virgin* DVD-R or DVD-RW media;
> - *fully blanked* DVD-RW media;
> - DVD-RW media formatted for Restricted Overwrite;
> with growisofs -Z and keep using growisofs -M to append more data. It's
> the only way. A.

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