Restarting and powering down a system with logical partitions

At times you will need to perform an initial program load (IPL) or power down the entire system or a single partition. It is important to remember that when you perform an IPL on the primary partition you are also performing an IPL on all the secondary partitions.

If you power down the primary partition, you will also power down any secondary partitions that are running. Unless you power down the secondary partitions before the primary partition, any secondary partitions that are still running may have an abnormal IPL.

Refer to Basic system operations for more information on abnormal IPLs.

Some of the IPL tasks you can perform are as follows: