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Chapter 20 Backplane Replacement 20-5
The cold replacement 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. Change the mode switch setting on the operator panel from Locked to Service.
Note – When the maintenance work is completed, be sure to confirm the mode
switch setting and return the switch to Locked.
3. Stop (turn off power) all domains together. Take either of the following two
actions:
■ Press and hold the POWER switch on the operator panel for at least four
seconds.
■ From a console that is connected to XSCF, log in to XSCF, and execute the
poweroff -a command.
For details on how to log in to the XSCF, see the SPARC Enterprise
M3000/M4000/M5000/M8000/M9000 Servers XSCF User’s Guide. Domain
administrator authority is required for executing this command.
The OS shutdown processing is executed for all the domains, and then the power-
off processing is executed.
4. Confirm that the power-off processing is completed by confirming that the
POWER LED (green) on the operator panel is off.