From an HMC, you can install server firmware concurrently
or nonconcurrently. Understand the two methods and the recommendation.
The two installation methods are as follows:
- Concurrent installation
- A concurrent installation is one in which you install firmware
while the system and all partitions are running.
- Nonconcurrent installation
- A nonconcurrent installation is one in which you shut
down the system and all partitions before you install the firmware.
When you perform a nonconcurrent installation, you must perform another
IPL for the system and all logical partitions.