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9-8 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
9.2 Active Replacement and Hot
Replacement
Caution – Each cabinet contains multiple PSUs so that the power output
specifications are satisfied even if one PSU fails. However, avoid continuing
operation for a long period with a faulty PSU left in the cabinet.
The active replacement procedure and hot replacement procedure for the PSUs 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. Display the maintenance menu, and select the swap target PSU. (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 9-7, the initial page of the maintenance menu is displayed.