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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 ...
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  1. #1
    Just Joined!
    Join Date
    Apr 2005
    Posts
    2

    scsi emulation for dvd writer 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 2.4.1.

    My drives:
    hdb: LITE-ON DVDRW SOHW-1653S, ATAPI CD/DVD-ROM drive
    hdc: SONY CD-RW CRX175A1, ATAPI CD/DVD-ROM drive

    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) make a new device scd1: mknod /dev/scd1 b 11 1
    3) change hdb to scd1 in fstab
    4) 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'
    scsibus0:
    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.

  2. #2
    Linux Engineer
    Join Date
    Sep 2003
    Location
    Knoxhell, TN
    Posts
    1,078
    you don't need it. i wish the cdrecord manual would tell you that it's been fixed. it can use ide devices... so get rid of scsi emulation..
    Their code will be beautiful, even if their desks are buried in 3 feet of crap. - esr

  3. #3
    Just Joined!
    Join Date
    Apr 2005
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    2
    I want to use Nerolinux to burn DVD's but nero complaints I can't use my dvd drive because it has no scsi-emulation

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