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Re: Problems mounting DVD-RWs written with growisofs



Marcus Roeckrath <marcus.roeckrath@gmx.de> wrote:

> I got problems mouting DVD-RWs written with
>
> growisofs -Z /dev/sr2 .
>
> in the same dvd-burner-device it was burned with.
>
> Mount says:
>
> mount: wrong fs type, bad option, bad superblock on /dev/dvdwriter2,
>        or too many mounted file systems

In contrary to cdrecord, growisofs does not implement "multi-border"
support but uses some dirty tricks to pretend multi-session.

It may be that you run into a problem caused by this act.


> In /var/log/messages the following lines are found:
>
> kernel: attempt to access beyond end of device
> kernel: 0b:02: rw=0, want=328386, limit=316032
> kernel: isofs_read_super: bread failed, dev=0b:02, iso_blknum=164192, 
> block=164192

If this happens during the mount call, see above. Use cdrecord -multi and you 
will get correct multi-border media. Note that this is still bases on a 
write-mode that differs from the usual sequential SAO recording and if you 
like to reuse the medium, you _must_ call cdrecord blank=full to make the 
medium reusable.

Jörg

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


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