AGM attendees from Cork; Re: [ILUG] Backing up a CD

[Martin Feeney]

On 13 Jun 00, at 15:47, Rik Dunphy wrote:

> I tried cdrdao (kernel 2.2.14), but it seems to take forever. It took 2
> hours to read about 168Mb from the CD. I can only assume that I didn't use
> the right drivers. There seems to be a lot of errors generated when
> extracting the audio. Which is funny, since xcdroast extracts the audio
> tracks perfectly on a track by track basis.
> 
> I tried..
>   cdrdao copy --source-device 1,0,0 --source-driver generic-mmc
>               --device 1,1,0 --driver generic-mmc
>               --datafile /cdimage/disk1
>               --speed 2

I vaguely remember seeing womewhere that subcodes aren't used in DVDs at 
all so it's possible that the hardware (DVD ROM) supports the minimum 
possible subset for CD compatability.

You should try the original CD in the CD Recorder, use read-cd and make an 
image of it and then swap to a blank CDRW and write from the image.  See 
if that works.  Also check to see if there is a firmware upgrade for your 
cdrw.  I think it's actually a Phillips CDD 3610 OEM'ed to a Cyberdrive 
CDRW 602 (or at least that's what google tells me) which cdrdao recommends 
using as generic-mmc-raw.

> Do you think the plextor driver will work on an ATAPI drive?

It still uses generic scsi commands, just the way of reading meta-
information (mostly just TOC) differs in the implementation.  It should 
work but it might be no better or even worse than generic-mmc.