How to check World Wide Name (WWN) on HP-UX

Assuming that you have a HBA (Fiber Channel) Card installed on your server.

Issue the command ioscan -nfC FC

Get the device path for the desire FC.

e.g. /dev/fcd0

Issue the command

#fcmsutil /dev/fcd0

Look for the line below.

N_Port Port WWN:

That will be your WWN for that fiber port. Good luck!

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