Root authority is required to perform this task.
To mount CD-ROM:
# ioscan -fnC disk
Class I H/W Path Driver S/W State H/W Type Description
=====================================================================
disk 0 0/0/0/2/0/0/0.8.0 sdisk CLAIMED DEVICE HP EG0300FAWHV
/dev/dsk/c0t8d0 /dev/rdsk/c0t8d0
disk 1 0/0/0/2/0/0/0.8.1 sdisk CLAIMED DEVICE HP EG0300FAWHV
/dev/dsk/c0t8d1 /dev/dsk/c0t8d1s2 /dev/rdsk/c0t8d1 /dev/rdsk/c0t8d1s2
/dev/dsk/c0t8d1s1 /dev/dsk/c0t8d1s3 /dev/rdsk/c0t8d1s1 /dev/rdsk/c0t8d1s3
disk 7 0/0/0/5/0/0/0.100.73.0.0.0.0 sdisk CLAIMED DEVICE IBM 2145
/dev/dsk/c5t0d0 /dev/rdsk/c5t0d0
disk 6 0/0/0/5/0/0/0.100.104.0.0.0.0 sdisk CLAIMED DEVICE IBM 2145
/dev/dsk/c3t0d0 /dev/rdsk/c3t0d0
disk 4 255/1/0.0.0 sdisk CLAIMED DEVICE hp DVD DE8A4L
/dev/dsk/c1t0d0 /dev/rdsk/c1t0d0
mount -F cdfs -o rr /dev/dsk/c1t2d0 /cdrom