Brocade DCX 8510-8 Backbone Hardware Reference Manual - Manual (Page 100)

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5. Login to the chassis and execute the switchcfgpersistentdisable command on the main switch
and other logical switches. The switchcfgpersistentdisable command disables the switches, and
ensures 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 down the entire chassis.
7. Remove the screws from the WWN bezel on the back of the chassis. Pull the bezel away from the
chassis and set it aside. The two WWN cards are now visible.
8. Use a Phillips screwdriver to unscrew the screws that secure each WWN card to the chassis. Label
the WWN cards and cables with #1 for the left side and #2 for the right side, for future reference.
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 card on a static-free surface, such as a grounding pad.
FIGURE 28 Removal and replacement of the WWN bezel (logo plate) and WWN card
Removal and Replacement Procedures
100 Brocade DCX 8510-8 Backbone Hardware Reference Manual
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