Re: [gentoo-user] Copying encrypted files from a DVD

[Grant]

>> I'd like to back up the files on my DVD-Audio discs.  The files are
>> encrypted and I don't want to decrypt them, I just want to back them
>> up.  I'm getting I/O errors when I try to cp the files, and I'm
>> guessing it's because of the encryption.  Does anyone know of a method
>> that would back these discs up in their encrypted form?  Here are the
>> errors I get:
>>
>> # cp -R /mnt/cdrom/AUDIO_TS DVD-A
>> cp: reading `/mnt/cdrom/AUDIO_TS/ATS_01_1.AOB': Input/output error
>> cp: reading `/mnt/cdrom/AUDIO_TS/ATS_01_2.AOB': Input/output error
>> cp: reading `/mnt/cdrom/AUDIO_TS/ATS_01_3.AOB': Input/output error
>> cp: reading `/mnt/cdrom/AUDIO_TS/ATS_01_4.AOB': Input/output error
>> cp: reading `/mnt/cdrom/AUDIO_TS/AUDIO_SV.VOB': Input/output error
>> cp: reading `/mnt/cdrom/AUDIO_TS/AUDIO_TS.VOB': Input/output error
>>
>> - Grant
>>
>>
>
>
> Why don't you use the (very old, but still effective) dd [1] command
> to create an ISO image?
>
> dd if=/dev/<your-dvd-device> of=<some-path>/bakup.iso bs=2048 conv=sync,notrunc

Unfortunately I get:

$ dd if=/dev/hda of=DVD-A/dvda.iso bs=2048 conv=sync,notruncdd:
reading `/dev/hda': Input/output error
1848+0 records in
1848+0 records out
3784704 bytes (3.8 MB) copied, 2.36347 s, 1.6 MB/s

I'm sure it's because of the encryption.  I'll have to back it up
unencrypted.  In case anyone is interested, DVDA-Explorer and DVDFab
will both do the job.  Both free, both easy to find, both work via
wine.

- Grant


> That will make an exact copy of your DVD into your hard disk.
> I don't know if this is what you want to do.
>
>
>
> Ricardo.
>
> [1] http://en.wikipedia.org/wiki/Dd_(Unix)