Well done Douglas

[Knapp]

On Tue, Sep 2, 2008 at 11:30 AM, Nils Kassube <kassube at gmx.net> wrote:
> Knapp wrote:
>> Perhaps I should go back and redo this using
>> /dev/dvd1, because that is then linked on my system to /dev/scd0, also
>> sr0, cdrom1,cdrw1, dvdrw1 also point there. And what of that bit about
>> /media??
>> It might be a more generic and more correct answer.
>
> There is a big difference between /dev/cdrom and /media/cdrom. /dev/cdrom
> is the device node which can control the hardware. You need this type of
> access point whenever you want to read audio CDs or write to a CDRW.
> Actually then it would be more likely /dev/cdrw, but like you say, both
> are just symlinks pointing to the same device which is /dev/scd0.
>
> Now if you insert a CD with a filesystem on it (e.g. your Kubuntu CD), the
> automount mechanism of Kubuntu can see there is a file system and mounts
> it to /media/cdrom0/ and there you can read the files on the CD just like
> any other file in your file system. There is also the
> symlink /media/cdrom pointing to /media/cdrom0 which is another path to
> reach the files on the CD.
>
> Usually I would expect to find symlinks /dev/cdrom and /dev/dvd which are
> generic names pointing to the actual device while they are independent
> from the actual hardware device name. These devices in /dev are needed by
> Xine (and Kaffeine via the Xine engine) to have direct access to the
> drive if the contents is something other than a file system, i.e. a video
> DVD or audio CD.
>
>> I just tested setting them all do /dev/dvd1 and it works to as I
>> expected. Perhaps this is better advice for the masses because they
>> might not have scd0?
>
> Yes, /dev/dvd (or /dev/dvd1) is better because you don't know which device
> name will be used by the kernel of future Kubuntu versions. This is where
> the problem started in the first place. Previously it was /dev/hda and
> now it is /dev/scd0. And I would expect the symlink /dev/dvd to be still
> there even for future kernel versions.
>
>
> Nils

I expected to find and use /dev/dvd but I don't have that on my system
at all only dvd1.

-- 
Douglas E Knapp

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