To find out what your SCSI CD-ROM is, Angel Alejandro Vega Soto pointed this nice/clean/easy/short way:
	iostat -En


Instead of something like this:

ls -l /dev/dsk | grep `prtconf -pv | grep cdrom | awk '{print $2}' | sed s/\'//g | awk -F/ '{print $NF}' | sed s/:.*//` | awk '{print "/dev/dsk/"$9}' | sed q