IBM Monacle and PowerVM firmware updates

[…]Under the Hood of Power Firmware Maintenance

The Service Processor of the server is running an embedded operating system with complex power firmware applications running on it; one of which is an application responsible for handling code updates. […]

https://www.ibm.com/developerworks/community/wikis/home?lang=en_us#!/wiki/Power%20Systems/page/Monocle%20Patch%20Management