If you are reading from ioscan :
# ioscan -fnC disk |more
Class I H/W Path Driver S/W State H/W Type Description
=========================================================================
disk 0 0/0/1/1.2.0 sdisk CLAIMED DEVICE SEAGATE ST39103LC
/dev/dsk/c1t2d0 /dev/rdsk/c1t2d0
disk 1 0/0/2/1.2.0 sdisk CLAIMED DEVICE HP DVD-ROM 304
/dev/dsk/c3t2d0 /dev/rdsk/c3t2d0
# ioscan -fnC disk |grep -v DVD-ROM
will ignore the DVD-ROM
Cheers,
T??
Little learning is dangerous!