Re: How to "blank" / "zero out" / "nullify" a dvd-rw?

[Joerg.Schilling@fokus.fraunhofer.de (Joerg Schilling)]

"Thomas Schmitt" <scdbackup@gmx.net> wrote:

> Hi,
>
> Joerg Schilling:
> > I am not sure if you know this but a DVD-RW needs to be blank before
> > writing to it.
>
> As does a CD-RW.
> With all my drives it works fine to blank and burn
> a CD-RW in the same cdrecord run.
>
>
> > If I did ever see this problem, it would not exist.
>
> Are you sure you tested this special use case ?
>
> > Cdrtools is maintained software.
>
> Sure it is. But this does not mean you already
> explored all possible use cases of it.
>
>
> I downloaded cdrtools-2.01.01a32.tar.gz :
>   cd cdrtools-2.01.01
>   make
>   cdrecord/OBJ/athlon-linux-cc/cdrecord -version
> Cdrecord-ProDVD-ProBD-Clone 2.01.01a32 (i686-pc-linux-gnu) Copyright (C) 1995-2007 Jörg Schilling
>
> Now the test:
>   dd if=/dev/zero bs=2048 count=$size | \
>   cdrecord/OBJ/athlon-linux-cc/cdrecord \
>      -v dev=0,0,0 blank=fast -sao tsize="$size"s -
> Same failure.
>   cdrecord/OBJ/athlon-linux-cc/cdrecord: Cannot write CD's >= 100 minutes.

I am not sure why you supress important infpormation.
It is not possible to help you for this reason.

http://cdrecord.berlios.de/old/private/problems.html

Jörg

-- 
 EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
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