This blog is the one of the most detailed blog about Exadata Patching Steps.It explains you everything step by step how to patch Exadata. I explained simply as much as possible.
Exadata is very expensive machine and seems very complicated.It has lots of components need to be patched.So where to start is a big question.
You magic number is 888828.1.Check this oracle document ID before starting anything.
Let’s start.Here are the steps you need follow:
2-Patch steps database/compute nodes.
3-Prerequisite steps for cell storage nodes.
4-Prerequisite steps for IB (Infiniband Switch)
5-Patch steps for IB.