Re: Copying DVD
On Fri, Feb 4, 2011 at 10:58 AM, Mathieu Malaterre
<mathieu.malaterre@gmail.com> wrote:
> On Fri, Feb 4, 2011 at 7:41 AM, Chris Bannister
> <mockingbird@earthlight.co.nz> wrote:
>> On Wed, Feb 02, 2011 at 02:30:35PM +0100, Mathieu Malaterre wrote:
>>> $ sudo mount /media/cdrom0
>>> mount: block device /dev/sr0 is write-protected, mounting read-only
>>
>> What does "ls -al /dev/sr0" output?
>> What does "ls -al /dev/scd0" output?
>>
>
> $ ls -al /dev/sr0
> brw-rw----+ 1 root cdrom 11, 0 Feb 4 09:17 /dev/sr0
> $ ls -al /dev/scd0
> lrwxrwxrwx 1 root root 3 Feb 4 09:17 /dev/scd0 -> sr0
>
>> Are you sure the media is ok?
>
> Yes. Works fine with my macminig4 box.
>
>> That is does the media play ok, can you see the contents from another
>> computer. Is your DVD player/recorder OK with dual layer DVD's
>
> This is somewhat my question: how do I know that ?
>
>>> $ apt-cache policy dvd+rw-tools brasero
>>> brasero:
>>> Installed: 2.30.3-2
>>> Candidate: 2.30.3-2
>>
>>> dvd+rw-tools:
>>> Installed: 7.1-6
>>> Candidate: 7.1-6
>>
>> Do these versions work with dual layer DVD's?
>
> Again this is my question. Anyway I used dd and I can copy the iso image:
>
>
> $ dd if=/dev/sr0 of=backup.iso
> 16386432+0 records in
> 16386432+0 records out
> 8389853184 bytes (8.4 GB) copied, 687.9 s, 12.2 MB/s
>
> I'll try next to see if I can burn that iso now.
This looks ok. Doing a file does not reveal anything. However using
hexedit I can find the strings: Apple_partition_map
ref:
http://www.t2-project.org/handbook/html/t2.partition.apple.html
--
Mathieu
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