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Re: how to read second track of a multisessioned dvd+r, in the burner ?



>From: Patrick Ohly <Patrick.Ohly@gmx.de>

>> Hi all, I burn a dvd+r, with multisession.
>> The commands I issued were:
>> growisofs -Z /dev/dvd -R -J firstfile
>> growisofs -M /dev/dvd -R -J secondfile
>> 
>> how can I access secondfile ? I am trying to do it in the same recorder I used to burn the dvd, not in a dvd-ROM 
>> ...
>> if I try
>> mount -t iso9660 /dev/scd0 /mnt
>> I see only firstfile.

>On my system (generic 2.4.24 kernel, Plextor 708A connected
>via ide-scsi) I observed the same symptom. I found that I had
>to eject the  CD-RW and reinsert it to see the second session.
>I used cdrecord for writing. I haven't tried whether the same
>happens with DVD-/+ media and dvd+rw tools.

>My suspicion is that the kernel caches the result of reading
>the table of contents somewhere and fails to notice that the
>disc has changed. I have not tried to verify that by looking
>at the source, though.

This is a bug that has been send to the kernel folks long ago.

For unknown reasons, they don't loke to fix it :-(

Jörg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
       js@cs.tu-berlin.de		(uni)  If you don't have iso-8859-1
       schilling@fokus.fraunhofer.de	(work) chars I am J"org Schilling
 URL:  http://www.fokus.fraunhofer.de/usr/schilling ftp://ftp.berlios.de/pub/schily



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