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:
v Super administrator
v Service representative
v Operator
v Product 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.
3. In the Contents area, select the managed system.
4. Select Tasks, then Operations, and then Power Off
5. Select the appropriate power-off mode and click OK.
Related information
Shutting down and restarting logical partitions
Stopping a system with the Systems Director Management Console
You can use the IBM Systems Director Management Console (SDMC) user interface to stop the system or
a virtual server.
Power supplies 43
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