Mounting a SCSI CD writer ?

Vincent Trouilliez vincent.trouilliez at wanadoo.fr
Sun Dec 26 16:15:56 UTC 2004


Hi,

My old man just gave me for X-mas, his old (x12) Plextor SCSI CD writer.

I didn't find anything about mounting SCSI CD writer in the Ubuntu
documentation.
Hopefully osmeone here has a SCSI CD writer working perfectly, and could
tell me what to do exactly ?

The device manager showed the SCSI CD writer okay, so, I proceeded to
create a mount point : /media/cdrom1, then a symlink to it
in /media/CD_Burner.

This allowed Gnome to show a second CD drive icon in the 'computer/disc'
location.

However now I need help about what modules to 'modprobe' exactly, and
what to put in fstab.

I made a shot in the dark, saw sg0, sg1 and sr0 in  /dev.  The last two
seemed new to me (I think sg0 is used for my SCSI scanner).

So in fstab I copied the line from the DVD player, added the 'rw' option
in lieu of 'ro', and tried /dev/sg1. 
But it didn't want to mount, saying that sg1 was not a block device. So
I tried the other one sr0 (don't even know what that stands for), and it
seemed to go better. So this is what the line now looks like : 

/dev/sr0        /media/cdrom1   udf,iso9660 rw,user,noauto  0       0

But two problems :
When I put a blank CD, Gnome opens the special 'Cd burner' location for
me to drop files into. I put some files in it for test purposes. Then I
just click on 'burn CD'. I then get a little dialog with a progress bar,
but it hangs there, it doesn't start burning ! :o(

Also, if I try to READ a disc, it's tempermental. For example, if I give
it my official Ubuntu CD I just received in the post the other day, it
works perfectly, Gnome mounts it, put a nice CD icon on the desktop with
the name of the CD, and also opens a Nautilus window to let me see the
content of the disc, absolutely marvelous.
But for some reason, when I put a live CD of Suse 9.0, it doesn't see
the disc, says 'no media found'. But the disc is in perfect condition,
and if I put it in my DVD drive, it fires up immediately.
That said, it looks as if it the Cd writer itself that can't initialize
that disc, so maybe it's a H/W problem, and nothing to do with Linux.
Well I don't care too much about not being able to read CD's of course,
as I use the DVD drive for that.
What I a would like is to fix problem #1 : burning !! :o(

Thanks in advance for any help...


Regards,

Vince






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