Stop The System Or Logical Partition; Stop The System That Is Not Managed By A Hardware Management Console - IBM System i Manual

Stop the system or logical partition

Learn how to stop a system or logical partition.
Attention: Using either the power-on button on the control panel or entering commands at the
Hardware Management Console (HMC) to stop the system can cause unpredictable results in the data
files. Also, the next time you start the system, it might take longer if all applications are not ended before
stopping the system.
To stop the system or logical partition, select the appropriate procedure:

Stop the system that is not managed by a Hardware Management Console:

You might need to stop the system to perform another task. Use these instructions to stop the system
using the power button or Advanced System Management Interface.
The following procedure describes how to stop a system that is not managed by a Hardware
Management Console (HMC).
After you stop the operating system, or if you need to use the control panel power button to power off
the system see, Using the control panel power button to power off.
Prepare to stop the system
Before you stop the system, do the following:
1. If an Integrated xSeries
2. Ensure that all jobs are completed and end all applications.
3. Ensure that the operating system is stopped. Failure to do so can result in the loss of data.
4. Record the IPL type and IPL mode from the control panel display to help you return the system to
this state when the installation or replacement procedure is completed.
5. Write down the information displayed on the control panel if you are stopping your system due to an
error or to make a repair. For more information, see Collecting reference codes and system
information.
Stop the system
To stop a system, follow these steps:
1. Log in to the system as a user with the authority to run the shutdown or pwrdwnsys (Power Down
System) command.
2. At the command line, enter one of the following commands:
v If your system is running AIX
v If your system is running i5/OS, type pwrdwnsys *immed.
v If your system is running Linux
The command stops the operating system. The system power turns off, the power-on light begins to
slowly blink, and the system goes into a standby state.
3. Set the power switches of any devices connected to the system to off.
4. Unplug any power cables that are attached to the unit from electrical outlets. Ensure that you unplug
power cables from peripheral devices, such as printers and expansion units.
Important: The system might be equipped with a second power supply. Before continuing with this
procedure, ensure that all power sources to the system have been completely disconnected.
(L003)
®
Adapter (IXA) is present on the system, shut it down using i5/OS options.
®
, type shutdown.
®
, type shutdown -h now.
Managing the twinaxial console
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