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Old 05-09-2005, 08:15 AM   #1
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Registered: May 2005
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scsi emulation for dvd burner fails

I cannot burn with my dvd writer because it needs scsi emulation. I already tried the obvious but that didn't do the trick. I also have a working CD writer so all necessary scsi modules are present and loaded. (Mandrake Linux 9.0, Kernel 2.4.18).

My drives:

My lilo.conf (I already added the hdb=ide-scsi part):
append="devfs=mount hdb=ide-scsi hdc=ide-scsi quiet"

my fstab:
none /mnt/cdrom supermount dev=/dev/hdb,fs=auto,ro,--,iocharset=iso8859-1,codepage=850,umask=0 0 0
none /mnt/cdrom2 supermount dev=/dev/scd0,fs=auto,ro,--,iocharset=iso8859-1,codepage=850,umask=0 0 0

Devices in /dev:
/dev/scd0 -> scsi/host0/bus0/target2/lun0/cd
/dev/hdb -> ide/host0/bus0/target1/lun0/cd
/dev/hdc -> ide/host0/bus1/target0/lun0/generic
/dev/cdrom -> cdroms/cdrom0
/dev/cdrom0 -> cdroms/cdrom0
/dev/cdrom1 -> cdroms/cdrom1
/dev/cdroms/cdrom0 -> ../ide/host0/bus0/target1/lun0/cd
/dev/cdroms/cdrom1 -> ../scsi/host0/bus0/target2/lun0/cd

What I did so far:
1) add "hdb=ide-scsi" to lilo.conf
2) run lilo
3) make a new device scd1: mknod /dev/scd1 b 11 1
4) change hdb to scd1 in fstab
5) make symlink: ln -s /dev/scd1 cdrom

All this didn't work, my dvd writer was still not recognized by cdreord:
cdrecord -scanbus:
Cdrecord 1.11a32 (i586-mandrake-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.6'
0,0,0 0) *
0,1,0 1) *
0,2,0 2) 'SONY ' 'CD-RW CRX175A1 ' '5YS2' Removable CD-ROM
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *

Can somebody please tell me what I have to do to get scsi emulation for my Lite-on dvd drive?
Many thanks.
Old 05-09-2005, 03:05 PM   #2
Registered: Dec 2003
Location: Denver, CO
Distribution: SuSE 9.2 Slackware 10.1
Posts: 137

Rep: Reputation: 15
First of all you might want to try a more current distrobution. That might solve your problem

Secondly, cdrecord will not burn DVD's without a key

That is unless your using a modified version of cdrecord (SuSE I'm looking at you). Someone correct me if I'm wrong.
Old 05-10-2005, 08:40 AM   #3
LQ Newbie
Registered: May 2005
Posts: 2

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Upgrading to a newer Linux distro is something that i'm planning to do but for the time being i wonder why i can't get scsi emulation for my DVD burner while i do have scsi emulation for my CD burner.
I'm not using cdrecord to burn disks but Nerolinux. Nerolinux nags i can't use my DVD burner because it has no scsi emulation.


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