Wwn Bezel And Card Removal And - IBM SAN768B-2 User Manual

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they remain disabled after the power is cycled. This allows you to check all
the settings so that you can verify the settings before placing the chassis back
into production.
switch:FID128:root> switchcfgpersistentdisable
Switch's persistent state set to 'disabled'
switch:FID128:root>
If there are other logical switches on your chassis, use the setcontext
command to connect to all the other switches and then run
switchcfgpersistentdisable on these switches as well.
6. Power off the entire chassis.
7. Connect yourself to the ESD grounding strap, if you have not done so already.
8. Remove the two screws from the WWN bezel . Pull the bezel away from the
chassis and set it aside (see Figure 38). The two WWN cards are now visible.
9. Disconnect the WWN cable by depressing the cable connector latch and
pulling the connector from the WWN module.
10. Hold the WWN cards by the edges and gently pull them out from the chassis.
11. Set the WWN cards on a static-free surface, such as a grounding pad.
Figure 38. WWN bezel and card removal and installation
Installing the WWN cards and WWN bezel (logo plate)
Complete these steps to replace the WWN cards and the WWN bezel.
Attention: Follow ESD precautions (see "ESD precautions" on page xix). Wear a
wrist grounding strap connected to chassis ground (if the chassis is plugged in) or
a bench ground.
1. Ensure that the chassis is still powered off. If not, power off the entire chassis.
2. Unpack the two new WWN cards and save the packaging for the faulty
WWN cards. The WWN cards and cables are labeled #1 for the left slot and #2
for the right slot.
3. Hold each card by the edges and insert the WWN cable onto the WWN
module until the cables are fully seated.
4. Hold each card by the edges and slide the card into the chassis. Use the
Phillips screwdriver and the screws to secure the WWN card to the chassis.
5. Power on the chassis and wait for five minutes for the chassis to boot.
Chapter 5. Removing and installing components
107