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Turning off the server
When you turn off the server and leave it connected to ac power, the server can
respond to requests from the service processor, such as a remote request to turn
on the server. To remove all power from the server, you must disconnect it from the
power source.
Note: Under some conditions, the two rear fans in front of the power supplies will
be operating when the server is turned off and connected to ac power. This
enables the power supplies to be cooled when they are generating power for
standby functions.
Some operating systems require an orderly shutdown before you turn off the server.
See your operating-system documentation for information about shutting down the
operating system.
Statement 5
CAUTION:
The power control button on the device and the power switch on the power supply do
not turn off the electrical current supplied to the device. The device also might have
more than one power cord. To remove all electrical current from the device, ensure
that all power cords are disconnected from the power source.
The server can be turned off in any of the following ways:
v You can turn off the server from the operating system, if your operating system
supports this feature. After an orderly shutdown of the operating system, the
server will be turned off automatically.
v You can press the power-control button to start an orderly shutdown of the
operating system and turn off the server, if your operating system supports this
feature.
v If the operating system stops functioning, you can press and hold the
power-control button for more than 5 seconds to turn off the server.
v The server can be turned off from the server Remote Supervisor Adapter II user
interface.
v If the Wake on LAN feature turned on the server, the Wake on LAN feature can
turn off the server.
v The service processor can turn off the server as an automatic response to a
critical system failure.
v You can turn off the server through a request from the service processor.
9
Chapter 1. Introduction
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