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.
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The server can be turned off in any of the following ways:
vYou 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.
vYou 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.
vIf the operating system stops functioning, you can press and hold the power-control button for more than 4 seconds to turn off the server.
vThe service processor can turn off the server as an automatic response to a critical system failure.
vYou can turn off the server through a request from the service processor.
Chapter 1. Introducing the IBM xSeries 346 Type 8840 11