Removing And Replacing The Wwn Card; Verifying If The Wwn Needs Replacing; Model M12 With The Cable Management Tray - IBM totalstorage 2109 M12 Installation And Service Manual

Figure 43. 2109 Model M12 with the cable management tray

Removing and replacing the WWN card

The WWN card is highly reliable. Before you replace the WWN card, verify that a
replacement is necessary. If you are installing a new WWN card, the installation
instructions are included with the product.
If you are going to replace a WWN card for Fabric OS earlier than v4.1.0, you must
power down the switch. Do not remove the WWN card until you have received the
replacement card. Do not restart the switch with a failed or missing WWN card.
Note: You must consult with Technical Support before you replace the WWN card.

Verifying if the WWN needs replacing

Ensure that the current card is firmly seated when you perform troubleshooting
steps.
Any of the following events might indicate that the WWN card needs to be replaced:
v Visible mechanical damage to the WWN card
v Any of the Status LEDs on the WWN card do not reflect the actual status of the
v Problems viewing or modifying the data that is stored on the WWN (see "Data
components
that is stored on the WWN card" on page 82)
!
!
!
!
! !
!
!
!
Link Link
Link Link
10/100 Mb/s 10/100 Mb/s 10/100 Mb/s 10/100 Mb/s
Cable Management Tray
Chapter 6. Servicing the M12
!
sj000647
81