Table of Contents Table of Contents Title and Copyright Information Preface Conventions Documentation Accessibility Access to Oracle Support for Accessibility Diversity and Inclusion 1 Introduction to Updating and Upgrading 2 Updating the Host Operating System 3 Updating to an Errata Release Updating the Operator Node Updating the Kubernetes Nodes Upgrading qemu-kvm Updating the Kubernetes Cluster Updating Istio 4 Upgrading to Release 1.5 Changing the Software Packages Source Oracle Linux 8 Oracle Linux 7 Upgrading the Operator Node Upgrading the Kubernetes Nodes Upgrading the Kubernetes Cluster Upgrading Istio Upgrading the Oracle Cloud Infrastructure Container Storage Interface Module 5 Upgrading to Oracle Linux 8 using Leapp Upgrading the Operator Node Upgrading Kubernetes Nodes