Important: The system is equipped with a second power supply. Before continuing with this procedure, ensure that all power sources to the system have been disconnected.
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Stopping a system by using the Hardware Management Console
You can use the Hardware Management Console (HMC) user interface to stop the system or a logical partition.
By default, the managed system is set to power off automatically when you shut down the last running logical partition on the managed system. If you set the managed system properties on the HMC so that the managed system does not power off automatically, you must use this procedure to power off your managed system.
Attention: If possible, shut down the running logical partitions on the managed system before powering off the managed system. Powering off the managed system without shutting down the logical partitions first causes the logical partitions to shut down abnormally and can cause data loss. If you use a Virtual I/O Server (VIOS) logical partition, ensure that all clients are shut down or that the clients have access to their devices using an alternate method.
To power off a managed system, you must be a member of one of the following roles:
vSuper administrator
vService representative
vOperator
vProduct engineer
Use the following steps to stop the system using the HMC.
1.In the Navigation area, expand the Systems Management folder.
2.Click the Servers icon.