[wellylug] Re: CDRW & DVD Mount Conflict?

[Centurion Computer Technology Ltd]

if you want to manually use cdrecord use dev=ATA:bus,lun,target,
 and to scan it:
cdrecord dev=ATA -scanbus

On Thu, 2004-06-24 at 00:26, Adam Bogacki wrote:
> Thank you, Edouard. 
> 
> I think you assume 2.4 kernel,  but I'm using 2.6.5 ...
> 
> I followed   /usr/share/doc/cdrecord/README.ATAPI.setup  for 2.6*
> 
> > Kernel 2.6.*
> > ============
> > Usually you would not want to use ide-scsi with Kernel 2.6 for
> > CD-writing, the new kernel provides a (from a user's point of view)
> > superior access method that finally supports DMA access when writing
> > Audio-CDs or using -raw.
> > 
> > If you are converting from ide-scsi first undo the steps 2-7
> > described above.
> > 
> > 1. Become root, try "grep -i dvd .: /var/log/kern.log" to find out
> > where your
> >    ATAPI-devices are connected to (hd?-names), this should show
> > something like:
> >    Jan 10 23:40:07 downhill kernel: hdg: FOO-BAR WRI-0815W, ATAPI
> > CD/DVD-ROM drive
> >    Memorize the device (hdg in the example).
> > 
> > 2. Become root, setup cdrecord's environment - edit
> > /etc/default/cdrecord:
> >       CDR_DEVICE=cdrw
> >       cdrw=/dev/hdg     4       8m
> >    Input the right values, the fields are described in the manpage
> >    of cdrecord. Alternatively, you may use this values as
> >    cdrecord-parameter or take a frontend with an own configuration
> >    scheme, then you don't need to modify /etc/default/cdrecord.
> >    The columns must be separated by tabs.
> > 
> > 3. That's it, 'cdrecord -prcap' should find your writer.
> > 
> > 4. If you wish to allow non-root users to write CDs, you must give
> > them
> >    permissions to do so. Run "dpkg-reconfigure cdrecord" to set
> > suid-root
> >    permissions on the executable, then add your users to the cdrom
> > group
> >                                                                          83
> but get 
> 
> > Tux:~# cdrecord -prcap
> > <snip>
> > scsidev: '1,5,0'
> > scsibus: 1 target: 5 lun: 0
> > cdrecord: No such file or directory. Cannot open '/dev/sg*'. Cannot
> > open SCSI driver.
> and similarly for -scanbus, although xcdroast works. 
> 
> I am using the values in the example above for /etc/default/cdrecord.
> 
> 'man cdrecord' seems to go on forever.
> 
> What am I missing here ?
> 
> Adam Bogacki,
> afb at paradise.net.nz
> 
> 
> E.Chalaron wrote: 
> > Did you try to emulate a ide-scsi ?
> > 
> > I just resolve this problem with it by pointing /dev/scd0 to 
> > /dev/scsi/whatever_target_lunetc....
> > 
> > First modify /etc/lilo.conf (MDK, maybe different for Debian ?)
> > 
> > image=/boot/vmlinuz
> >          label=linux
> >          root=/dev/hda5
> >          initrd=/boot/initrd.img 
> >         append="quiet devfs=mount hdb=ide-scsi hdd=ide-scsi"
> >          vga=788
> >          read-only
> >  image=/boot/vmlinuz
> >          label=linux-nonfb
> >          root=/dev/hda5
> >          initrd=/boot/initrd.img 
> >         append="devfs=mount hdb=ide-scsi hdd=ide-scsi"
> >          read-only
> > 
> > Now in  /etc/modules.conf add the 2 follwoing lines :
> > 
> > options ide-cd
> > pre-install sg modprobe ide-scsi
> > 
> > reboot or reload your modules
> > and try  :
> > cdrecord -scanbus
> > You'll get the SCSI numbers to link with /dev/scd0
> > 
> > Make sure that /etc/fstab is conform to this new config
> > 
> > /mnt/cdrom /mnt/cdrom supermount \ 
> > dev=/dev/scd0,fs=iso9660,ro,--,iocharset=iso8859-15 0 0
> > 
> > Not being a guru, it may not work but I did install few of them like this and 
> > never failed.
> > 
> > However trying to read a DVD with mplayer or xine is still a pain !
> > Edouard
> > 
> > 
> > 
> >   
> > > Thanks Harry,
> > > 
> > > I have no 'dvd' entry in /dev so I used 'mkdir dvd' but keep getting the
> > > message that
> > > 'mount point /dev/dvd does not exist'. Previously (following someone
> > > from deb-user) I did
> > > 
> > > rm -rf /dev/dvd
> > > ln -s /dev/hdc /mnt/dvd
> > > 
> > > with no luck.
> > > 
> > > Similarly, I get
> > > 
> > >     
> > > > Tux:~# mount /cdrw
> > > > mount: mount point /cdrw does not exist
> > > >       
> > > How does one create mount-points ?
> > > 
> > > Is there an automounting option for DVD's in gnome ?
> > > 
> > > [... and completely off-topic - how does one get a gmial account ?]
> > > 
> > > Adam Bogacki,
> > > afb at paradise.net.nz
> > > 
> > >     
> > > > Hi,
> > > > 
> > > > What I would try to do is, check if there is anything in /dev/dvd
> > > > directory, and if not delete it. Then create a symlink to /dev/hdc.
> > > > This should fix the DVD side of it. Also, DVD movies don't need to be
> > > > mounted to played, like Audio CDs.
> > > > 
> > > > If the CD-RW is in your fstab (like it is), mount using "mount /cdrw".
> > > > I don't know why you can't mount both at the same time, but as I
> > > > mentioned above, you don't need to.
> > > > 
> > > > Cheers,
> > > > Harry.
> > > >       
> > 
> >   
-- 
	Daniel Reurich
	Centurion Computer Technology Limited
	
	Ph: (04) 565 1832
	    (021) 79 7722
	    
	email: daniel at centurion.net.nz