How to get the WWPN number on IBM Power9 using Firmware Prompt

To get the WWPN number of Fiber Channel adapter using Firmware Prompt on IBM Power9 system. Reboot the VIOS or LPAR and Press 9 and you get a prompt after that.

Execute below command to list the WWPN with attribute as drc_name of FC adapter

0 > DISPLAY_ADAPTER_WWPN U78D3.001.WZS0B37-P1-C9-T1

1000EEEE88882222

0 >
0 >


You can also just type the command "DISPLAY_ADAPTER_WWPN" it will start listing all the adapters wwpn of fiber channel adapters connected to vios

IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM
IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM
IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM

          1 = SMS Menu                          5 = Default Boot List
          9 = Restricted Open Firmware Prompt   6 = Stored Boot List


     Memory      Keyboard     Network     Speaker  ok
0 >   ok
0 >   ok
0 >   ok
0 >   ok
0 > DISPLAY_ADAPTER_WWPN

U78D4.ND1.CSS17GD-P1-C8-T1
Link down
Cannot Init Link.
PORT-WWN: 10000090abcd1234

U78D4.ND1.CSS17GD-P1-C8-T2
Link down
Cannot Init Link.
PORT-WWN: 10000090abcd1234

U78D4.ND1.CSS17GD-P1-C5-T1
PORT-WWN: 10000000abcd1234

U78D4.ND1.CSS17GD-P1-C5-T2
Link down
Cannot Init Link.
PORT-WWN: 10000000abcd1234

U78D4.ND1.CSS17GD-P1-C4-T1
PORT-WWN: 10000010abcd1234

U78D4.ND1.CSS17GD-P1-C4-T2
Link down
Cannot Init Link.
PORT-WWN: 10000010abcd1234


 SMS Macro Operation Succeeded.

 ok
0 >   ok
0 >   ok
0 >

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