On Sat, Jul 12, 2003 at 01:42:25AM +0530, bhushan_sharma wrote:
> Pl. tell me what is SCSI emulation.
> What are its benefit
> How can it be configured?
> 

SCSI emulation is a mechanism which allows you to use SCSI drivers
instead of ATAPI drivers.

This is the only way by which you can make use the IDE/ATAPI CD-R
drives for writing purpose. In a normal case the kernel will load the
ide-cd driver for the IDE/ATAPI CD-R drive and for some reason you
can't use the drive for writing CDs.

To load the ide-scsi driver instead of ide-cdrom driver you can use
the

  append="hdb=ide-scsi" # assuming your CD-R is primary slave.

statement in lilo.conf. Note that you also need the "SCSI generic
support" option to be enabled in the kernel.  Refer to the
"CD-Writing-HOWTO" and the menuconfig/xconfig help on this topic for
more details.

Note that after loading the ide-scsi driver the device will be
accessible as /dev/scdn and not as /dev/hdb.

Avinash.



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