Show Table of Contents Hide Table of Contents English English Multi-page HTML Single-page HTML PDF ePub Migration1. Migrating OpenShift Container Platform 3.x to 4.21.1. Understanding the Cluster Application Migration tool1.2. Installing the CAM Operator1.2.1. Installing the CAM Operator manually on OpenShift Container Platform 31.2.2. Installing the CAM Operator with OLM on OpenShift Container Platform 41.2.3. Configuring cross-origin resource sharing on an OpenShift Container Platform 3 cluster1.3. Migrating applications with the CAM web console1.3.1. Launching the CAM web console1.3.2. Adding a cluster to the CAM web console1.3.3. Adding a replication repository to the CAM web console1.3.4. Changing migration plan limits for large migrations1.3.5. Creating a migration plan in the CAM web console1.3.6. Running a migration plan in the CAM web console1.4. Migrating control plane settings with the Control Plane Migration Assistant1.4.1. Understanding the Control Plane Migration Assistant1.4.2. Installing the Control Plane Migration Assistant1.4.3. Using the Control Plane Migration Assistant1.5. Troubleshooting a failed migration1.5.1. Understanding the migration custom resources1.5.2. Viewing migration custom resources1.5.3. Downloading migration logs1.5.4. Restic timeout error1.6. Known issuesLegal Notice Migration OpenShift Container Platform 4.2Migrating from OpenShift Container Platform 3 to 4Red Hat OpenShift Documentation TeamLegal NoticeAbstract This document provides instructions for migrating your OpenShift Container Platform cluster from version 3 to version 4. 1. Migrating OpenShift Container Platform 3.x to 4.2 Where did the comment section go?Red Hat's documentation publication system recently went through an upgrade to enable speedier, more mobile-friendly content. We decided to re-evaluate our commenting platform to ensure that it meets your expectations and serves as an optimal feedback mechanism. During this redesign, we invite your input on providing feedback on Red Hat documentation via the discussion platform.