Controlling System Power; Power States - Oracle X4-2B Installation Manual

Controlling System Power

This section describes methods to control server module power.
"Power States" on page 105
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"Powering Off the Server Module" on page 106
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"Powering On the Server Module" on page 108
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"Resetting the Server" on page 108
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For more information, refer to the
Note –
orderly shutdown of the operating system. Servers not running ACPI-enabled operating
systems shut down to standby power state immediately.

Power States

The server module can be in one of these power states:
Power State
No power applied
Standby
Fully powered on
Graceful shutdown procedures cause ACPI-enabled operating systems to perform an
Description
No power is applied to the server. For example, when the power cords are not
connected, a server module is partially removed from chassis, or the data center
power breaker is off.
Power is applied to the server and the SP is running, but main power is not applied to
the host. You can access Oracle ILOM running on the SP in Standby state.
The host is powered on and you can access Oracle ILOM. Once the server boots the
OS, you can also access Oracle ILOM and the OSs.
Sun Blade X4-2B Service Manual.
105