Description of the Process Flowchart for a Reduced Downtime Upgrade

This flowchart explains the high-level steps for a reduced downtime upgrade of Oracle Fusion Middleware products from release 12.2.1.3.0 to 12.2.1.4.0. The minimum requirement for this type of upgrade is a two-node cluster environment. This flowchart includes all the steps that should be performed on Host 1 and Host 2.