OpenShift Container Platform 4 includes new technologies and functionality that results in a cluster that is self-managing, flexible, and automated. The way that OpenShift Container Platform 4 clusters are deployed and managed drastically differs from OpenShift Container Platform 3.

To successfully transition from OpenShift Container Platform 3 to OpenShift Container Platform 4, it is important that you review the following information:

Planning your transition

Learn about the differences between OpenShift Container Platform versions 3 and 4. Prior to transitioning, be sure that you have reviewed and prepared for storage, networking, logging, security, and monitoring considerations.

Performing your migration

Learn about and use the tools to perform your migration:

  • the Control Plane Migration Assistant (CPMA) to migrate your control plane

  • the Cluster Application Migration (CAM) tool to migrate your application workloads