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Turning off the server
The server can be turned off in any of the following ways:
v If the system is connected to an ASM interconnect network that contains at least
v If an optional Remote Supervisor Adapter is installed in the system, the system
Complete the following steps to manually turn off the server:
1. Review the information in "Before you begin" on page 39, "Handling
2. See your operating system documentation for the proper procedure to shut
3. Press the power-control button on the front of the server. This will put the server
4. Disconnect the server from the power source.
Standby mode
Standby mode refers to the condition in which the server operating system is not
running and all core logic is shut down except for the optional Remote Supervisor
Adapter. In Standby mode, the server can respond to ISMP requests, such as a
remote request to turn on the server. When the server is in Standby mode, the
power-on LED on the front of the server flashes (when the server is running, the
power-on LED stays on and does not flash).
8
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
one system with an optional Remote Supervisor Adapter installed, the system
can be turned off from the Remote Supervisor Adapter user interface.
can be turned off from the Remote Supervisor Adapter user interface.
static-sensitive devices" on page 40, and "Safety information" on page 167.
down the operating system.
When you turn off the server, observe the following precaution.
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.
in Standby mode.
Note: You might need to press and hold the power-control button for more than
4 seconds to cause an immediate shutdown of the server and to force it
into Standby mode. You can use this feature if the operating system
stops functioning.
Note: After disconnecting all the power cords, wait approximately 15 seconds
for your system to stop running. Watch for the power-on LED on the front
of the server to stop flashing.
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