/sbin/sdiconfig -l
- grep usb_msto line
- output example
2:0,7,0: HBA usb_msto,1
- interesting value is first value = 2
id=2
- in this example device to mount is
mount /dev/dsk/c${id}b0t0d0pa /mnt

and example
fdisk /dev/rdsk/c${id}b0t0d0p0

ksh/bash function:

usb="/usb"

mountusb()
{
oifs="$IFS"
IFS=":"
read devid xx <<EOF
$(/sbin/sdiconfig -l | grep usb_msto )
EOF
IFS="$oifs"
[ "$devid" = "" ] && echo "no usb disk" >&2 && return 1
print "devid:$devid"
mkdir $usb 2>/dev/null
mount /dev/dsk/c${devid}b0t0d0pa $usb
stat=$?
[ "$stat" != 0 ] && echo "can't mnt" >&2 && return 1
df -v
return $stat
}

Hi ,

The output of the command on my system is as below ...

sco1:/root:>/sbin/sdiconfig -l
0:0,7,0: HBA : (mpt,2) LSI Logic 1030 10329
0,0,0: DISK : MAXTOR ATLAS10K5_147SCAJNZH
0,1,0: DISK : MAXTOR ATLAS10K5_147SCAJNZH
0,2,0: DISK : MAXTOR ATLAS10K5_147SCAJNZH
0,3,0: DISK : MAXTOR ATLAS10K5_147SCAJNZH
1:0,7,0: HBA : (mpt,1) LSI Logic 1030 10329
2:0,2,0: HBA : (ide,1) Generic IDE/ATAPI
0,0,0: CDROM : HL-DT-STRW/DVD GCC-H21N 1.00
4:0,7,0: HBA : (usb_msto,2) USB USB HBA
0,0,0: DISK : KingstonDataTraveler2.0 1.00

sco1:/root:>mount /dev/dsk/c4b0t0d0pa /temp
UX:dosfs mount.svr5: ERROR: /dev/dsk/c4b0t0d0pa is not an dosfs file system,
or /temp is busy.


The pen drive device doesn't mount ... not able to figure out ...

Did you see /temp in your df list ?
Make new dir and use it
My usb was fat32.
This method my usb mounted okay.