Re: ide-scsi emulation not working
Apparently, _Enrique Samson Jr._, on 03/17/04 23:43,typed:
I haven't seen this whole thread, but have you told the kernel on
bootup to assign that to the ide-scsi module? The ide-cd module will
grab it first if not told to ignore it...
on grub: kernel /vmlinuz ro root=/dev/hda5 hdd=ide-scsi
i think you meant this line. it didn't work.
There are other steps needed too:
1) Make a file (I called it cdrw) in /etc/modules that loads proper
modules, in my case, I have:
$> more cdrw
#file created by HS,14Mar2004, to make CD-ROM seen as a SCSI device instead
#of as a ATAPI device.
#
# As suggested in CD Writing HOWTO
#
# This assumes IDE-CD is a module rather than copmiled into kernel.
#
options ide-cd ignore="hdd"
alias scd0 sr_mode
pre-install sg modprobe ide-scsi
pre-install sr_mod modprobe ide-scsi
pre-install ide-scsi modprobe ide-cd
2)run "update-modules" to make this take effect
3) Make the /etc/modules file look like this:
$> cat /etc/modules
# /etc/modules: kernel modules to load at boot time.
#
# This file should contain the names of kernel modules that are
# to be loaded at boot time, one per line. Comments begin with
# a "#", and everything on the line after them are ignored.
sr_mod
sg
ide-cd
ide-detect
$>
4) Have this line in your grub.conf with ide-scsi=hdd option:
kernel /vmlinuz-2.4.24-1-686 root=/dev/hdb5 hdd=ide-scsi ro single
where my CD-RW is /dev/hdd, change accordingly.
Then of course you should have a mount point, e.g. /cdrw, and a device
/dev/cdrw linked to /dev/scd0, and a line in fstab corresponding to this
mount point:
/dev/cdrw /cdrw auto ro,user,noauto 0 0
Also note that /dev/sg* shoudl all be owned root:cdrom and that you
should be a member of the "cdrom" group.
Reboot machine and give the command "cdrecord -scanbus" and you should
see your SCSI emulated CD-RW.
HTH,
->HS
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