Prerequisites
The prerequisites for upgrading PCF are:
All the nodes – including all the pods in the node – are up and running.
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A patch version of the PCF software.
NoteCurrently, major versions do not support the rolling upgrade. The major version represents the release year, release number, and maintenance number. Cisco follows the versioning format as YYYY.RN.MN such as 2020.03.0.
ImportantTrigger rolling upgrade only when the CPU usage of the nodes is less than 50%.