Scan HBA for new devices - PowerPath

The host bus adapter driver in the 2.6 kernel exports the scan
function to the /sys directory which can be used to rescan the SCSI
devices on that interface. The scan function is available as follows:
# cd /sys/class/scsi_host/hostX/
# ls -al scan
# echo ‘- - -’ > scan
"X" will be the HBA number which is zoned to see the disk.
The three dash marks refer to channel, target, and LUN numbers.

Commit your change
#powermt config

Find your new logical device and write down the Pseudo name.
#powermt display dev=all


Find your new disk and pseudo name in
#fdisk -l

Run fdisk command which used to create and manipulate partition tables.
#fdisk
n - 1 - t (83 for linux system)
You should find pseudname and pseudname1 in /dev/
(in my system emcpowerb - emcpowerb1)

Format the new partition with
#mkfs.ext3 /dev/pseudoname1/

Mount the new disk in a directory and use it.