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Chapter 19 DDC Replacement 19-3
19.2 Active Replacement and Hot
Replacement
The active replacement procedure and hot replacement procedure for the DDC are
the same.
The procedure is as follows.
1. Unlock and open the appropriate 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. Using the maintenance menu, select the DDC to be replaced. (Use the
maintenance menu for Step 8.)
The fieldeng permission is required for executing this command.
a. Log in to the XSCF from the terminal connected to the XSCF, and execute the
replacefru command.
The initial page of the maintenance menu is displayed as shown in
FIGURE 19-2.
FIGURE 19-2 Initial Page of the Maintenance Menu
Note – DDC_A is displayed only for the M8000.
b. Select "5. DDC" from the replacement parts list in the maintenance menu.
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Maintenance/Replacement Menu
Please select a type of FRU to be replaced.
1. CMU/IOU(CPU Memory Board Unit/IO Unit)
2. FAN(Fan Unit)
3. PSU(Power Supply Unit)
4. XSCFU(Extended System Control Facility Unit)
5. DDC_A(DDC for BP_A)
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