Remove Power
Full Power Mode
Full power mode is the normal operational mode for the server. When the server enters full
power mode, power is supplied to all the server components, the server boots, and the operating
system (OS) functions. You achieve full power mode by pressing the Power button on the
server front panel when the server is in standby power mode. You can also achieve full power
mode by powering on the server from Oracle ILOM. Once the server is operating in full power
mode, the Power OK and service processor (SP) indicators are on steady.
Standby Power Mode
Standby power is a non-operating mode (OS does not boot), in which low-level power is
supplied only to the components that are required to run the SP. To enter standby power mode,
connect the AC power cables to the back of the server, but do not press the front panel Power
button. You can also enter standby power mode by powering off the server (from full power
mode) using one of the power-off methods. In standby power mode, the SP indicator blinks
quickly while the SP is booting. Once the SP has booted, the indicator is on steady, and the
Power OK indicator flashes.
Graceful Shutdown
A graceful shutdown (also referred to as an orderly shutdown) is the safest method of shutting
down the server to standby power mode because it warns users, closes files, and prepares the
file system. To perform a graceful shutdown use the server OS, Oracle ILOM, or the server
front panel Power button.
Immediate Shutdown
An immediate shutdown of the server (also referred to as an emergency shutdown) should be
used only in situations when you know that the loss of data is nonexistent or acceptable. An
immediate shutdown does not warn users, does not properly close files, nor does it prepare the
file system for shut down to standby power mode.
Complete Power Removal
Shutting down the server from full power mode to standby power mode does
not
completely
remove power from the server. When it is in standby power mode, the server is in a low-power
state. This low-power state is enough to maintain the service processor (SP), which runs Oracle
ILOM. To completely remove power from the server, you need to remove the power cords.
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Sun Server X4-8 Service Manual • December 2015
Summary of Contents for SUN X4-8
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Page 257: ...BIOS Setup Utility Screens Advanced BMC Network Configuration BIOS Setup Utility 257 ...
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