Powering the Host On and Off
Your server has three power modes (states): power off, standby power, and full power.
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Power off
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The server is completely powered off when the AC power cords are
disconnected.
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All indicators are off.
The server is disconnected from all power sources.
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Disconnect power cords to completely remove power.
Caution -
Equipment damage. Do not disconnect power cords when system is
in Full power mode.
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When the server is in Standby power mode, the service processor is
powered on but the host is powered off.
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The system Power/OK indicator flashes slowly.
The SP OK indicator is steady on.
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If the server is completely powered off, plug in the power cords
to apply Standby power.
If the server is in Full power mode, use Oracle ILOM or the Power
button to remove host power.
You can power the host off gracefully, or immediately.
Caution -
Data loss: To prevent data loss, prepare the operating system
for shutdown before performing an immediate power off.
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When you power on the host, the server enters Full power
mode.
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In Full power mode, the system Power/OK indicator is steady
on.
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Use Oracle ILOM or the Power button to apply host power.
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For instructions on powering the host off and on, see the following procedures: