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8-8 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
8.2 Active Replacement and Hot
Replacement
Caution – Each cabinet contains multiple FAN units so that the cooling
specifications are satisfied even when one individual fan inside the FAN units fails.
When replacing multiple FAN units, replace one at a time.
The active replacement procedure and hot replacement procedure for the FAN units
are the same.
The procedure is as follows.
1. Unlock and open a door of the server.
For details, see Chapter 5.
Caution – Before touching FRU or the dummy (filler) unit, see Section 1.4,
“Antistatic Precautions” on page 1-6 and be sure to wear the antistatic wrist strap.
Failure to do so might result in serious damage to operating domains.
2. Use the maintenance menu to select a swap target FAN unit. (The maintenance
menu is used up to Step 9.)
The fieldeng permission is required for executing this command.
a. From the console that is connected to XSCF, log in to XSCF, and execute the
replacefru command.
As shown in
FIGURE 8-7, the initial page of the maintenance menu is displayed.