Managed system power-on and power-off modes

Learn about the power-on options and the power-off options for a managed system.

This topic describes the power-on options and the power-off options that are available for starting and shutting down a managed system using a console.

The following table describes the power-on options. Power-off options are also available and described in a second table below.

Power-on mode	Description
Partition standby	Use this mode to create and activate logical partitions. When the partition standby power-on is completed, the operator panel on the managed system displays `Partition Standby`, indicating the managed system is ready for you to use the HMC to partition its resources. Note: Autostart partitions will not start if you power on using this mode. For more information about logical partitions, see Partitioning the server.
System profile	This option powers on the system according to a predefined set of profiles. Note: The profiles are activated in the order in which they are shown in the system profile. For more information about system profiles, see System profile.
Partition autostart	This option activates logical partitions that have been previously designated as autostart. For more information about logical partitions, see Partitioning the server.

Power-on mode

Description

Partition standby

Use this mode to create and activate logical partitions. When the partition standby power-on is completed, the operator panel on the managed system displays Partition Standby, indicating the managed system is ready for you to use the HMC to partition its resources.

Note: Autostart partitions will not start if you power on using this mode.

For more information about logical partitions, see Partitioning the server.

System profile

This option powers on the system according to a predefined set of profiles.

Note: The profiles are activated in the order in which they are shown in the system profile.

For more information about system profiles, see System profile.

Partition autostart

This option activates logical partitions that have been previously designated as autostart.

For more information about logical partitions, see Partitioning the server.

For more information about powering on the managed system, see Powering on a managed system.

Use the following power-off options for shutting down a managed system.

Power-off mode	Description
Normal power off	The Normal power off mode shuts down the system's operations in a controlled manner. During the shutdown, programs running active jobs are allowed to perform cleanup (end-of-job processing).
Fast power off	The Fast power off mode shuts down the system by stopping all active jobs immediately. The programs running those jobs are not allowed to perform any cleanup. Use this option when you need to shut down the system because of an urgent or critical situation.