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4 cold replacement, Cold replacement – FUJITSU SPARC ENTERPRISE M8000 User Manual

Page 307

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Chapter 14

CD-RW/DVD-RW Drive Unit Replacement 14-11

14.4

Cold Replacement

The procedure is as follows.

1. Unlock and open a door of the server.

For details, see

Chapter 5

.

2. Change the mode switch setting on the OPNL from the Locked position to the

Service position.

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 the AC section (ACS) in the power supply

system.

For details, see

Section 4.5.3, “Main Line Switch Locations” on page 4-28

.

Note –

If the optional three-phase 200 VAC input power supply unit is installed, the

main line switches are located on the three-phase ACS.

Caution –

If the dual power feed option is installed, switch off the main line

switches for both power supply units.

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.

6. Connect the wrist strap clip to a cabinet grounding port, and attach the band of

the wrist strap to one of your wrists.