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24-4 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
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. Change the mode switch setting on the operator panel from Locked to Service.
Note – Unless the mode switch is set to Locked when the maintenance work is
completed, the error notification function is disabled. Be sure to restore and confirm
the switch setting when the work is completed.
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.
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.
5. Switch off all main line switches for AC section (ACS) of power supply system.
For details, see Section 4.5.3, “Main Line Switch Locations” on page 4-27.
Caution – After stopping all the domains, be sure to switch off the main line
switches in the power supply system to completely shut off the supply of power.
Disconnect the power cord from the customer's distribution panel.
6. Connect the clip of the antistatic wrist strap and of the antistatic mat to the
server grounding port. See Section 1.4, “Antistatic Precautions” on page 1-6.