First, list all the HBAs, in the output below the HBA device name is /dev/td0 and /dev/td1
my-hp-system# ioscan -fnkC fc
Class I H/W Path Driver S/W State H/W Type Description
=================================================================
fc 0 0/4/0/0 td CLAIMED INTERFACE HP Tachyon TL/TS Fibre Channel Mass Storage Adapter
/dev/td0
fc 1 0/7/0/0 td CLAIMED INTERFACE HP Tachyon TL/TS Fibre Channel Mass Storage Adapter
/dev/td1
Now, use the fcmsutil to find the WWN and other information related to each of these HBAs:
my-hp-system# fcmsutil /dev/td0