[PLUG] cdrw won't mount or write, wrong /dev link, don't know how to change it

Derek Loree drl at drloree.com
Sun Oct 5 23:37:01 UTC 2003


On Sun, 2003-10-05 at 22:58, Brian Quade wrote:
> No, I'm not burning in test mode.  I originally had someone at a 
> computer shop add the cdrom after the cdrw was already in there.  I know 
> that /dev/cdrom pointed to /dev/scd0 before I started messing with it 
> and /dev/cdrom1 pointed to /dev/hdd.  But my hardware browser always 
> told me that the cdrom was scd0 and the cdrw was hdc, but I think it 
> should be the other way around.  Does that seem right to you?  Shouldn't 
> it be the other way around?
> 
> When I change grub.conf back to use hdd for scsi emulation and reboot, 
> the hardware browser shows the cdrom as scd0 and the cdrw as hdc and 
> cdrecord -scanbus reports the cdrom as 0,0,0 and does not report the 
> cdrw.  When I change grub.conf to use hdc for scsi emulation, the 
> hardware browser shows the cdrom as hdc and the cdrw as scd0 and 
> cdrecord reports the cdrw as 0,0,0 and does not report the cdrom.  This 
> is a dual boot system and when I boot into Windows both drives work fine 
> and I can write cds on the cdrw.  Does that mean that the drives are set 
> up as master and slave correctly or does it just mean that Windows uses 
> some kind of voodoo to figure it all out?

The only way to know for sure is to look at the back of the drive and
verify the jumper settings.  The CS jumper setting can cause all kinds
of confusion.

Good Luck,

Derek Loree 






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