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About migrating from OKD 3 to 4 | Migrating from version 3 to 4 | OKD 4
  1. Documentation
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About migrating from OKD 3 to 4

OKD 4 contains new technologies and functionality that result in a cluster that is self-managing, flexible, and automated. OKD 4 clusters are deployed and managed very differently from OKD 3.

The most effective way to migrate from OKD 3 to 4 is by using a CI/CD pipeline to automate deployments in an application lifecycle management framework.

You can use Red Hat Advanced Cluster Management for Kubernetes to help you import and manage your OKD 3 clusters easily, enforce policies, and redeploy your applications. Take advantage of the free subscription to use Red Hat Advanced Cluster Management to simplify your migration process.

To successfully transition to OKD 4, review the following information:

Differences between OKD 3 and 4

  • Architecture

  • Installation and upgrade

  • Storage, network, logging, security, and monitoring considerations