IBM pSeries 650, Installation Manual

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Stopping the System
Attention: If you are installing a hot-pluggable component, do not stop the system.
Is an HMC attached to the system?
YES Do the following:
1. Ask the customer to shut down all active partitions.
2. Use the HMC power-off function to power off the system.
As the system powers off, the power LED on the operator panel starts blinking at a fast
rate, and B0FF appears in the system operator panel display.
When the power-off sequence is complete, the system goes into standby mode, and the
following occurs:
v OK
displays on the operator panel.
v
The system’s operator panel power indicator LED blinks at a slow rate.
After the operating system is in standby mode, set the power switches of any attached
devices to off .
NO Do the following:
1. Ask the customer to stop all applications that are running on the system.
2. Log into the system as the root user.
3. At the command line, type shutdown to stop the operating system.
Note: If Linux is running, enter the shutdown now -h command.
As the system powers off, the power LED on the operator panel starts blinking at a fast
rate. B0FF appears in the operator panel display.
When the power-off sequence is complete, the system goes into standby mode and the
following occurs:
v OK displays on the operator panel.
v
The system’s operator panel power indicator LED blinks at a slow rate.
After the operating system is in standby mode, set the power switches of any attached
devices to off.
Chapter 5. Installing Options
45