4.9 version information and update actions
Review information about version 4.9 of Red Hat OpenShift on IBM Cloud, released 09 Feb 2022. This version is based on Kubernetes version 1.22.
Version 4.9 is no longer supported. Update your cluster to at least version 4.10 as soon as possible.
Looking for general information about updating clusters, or information on a different version? See Red Hat OpenShift on IBM Cloud version information.
Red Hat OpenShift on IBM Cloud is a Certified Kubernetes product for version 1.22 under the CNCF Kubernetes Software Conformance Certification program. Kubernetes® is a registered trademark of The Linux Foundation in the United States and other countries, and is used pursuant to a license from The Linux Foundation.
Release timeline
The following table includes the expected release timeline for version 4.9. You can use this information for planning purposes, such as to estimate the general time that the version might become unsupported.
Dates that are marked with a dagger (†) are tentative and subject to change.
| Supported? | Red Hat OpenShift / Kubernetes version | Release date | Unsupported date |
|---|---|---|---|
| No | 4.9 / 1.22 | 09 February 2022 | 30 September 2023 |
Preparing to update
Review changes that you might need to make when you update a cluster to version 4.9. This information summarizes updates that are likely to have and impact on deployed apps when you update.
Update before master
The following table shows the actions that you must take before you update the cluster master.
| Type | Description |
|---|---|
| Unsupported: Deprecated and removed Red Hat OpenShift features | For more information, review Red Hat OpenShift version 4.9 deprecated and removed features. |
| Unsupported: Beta versions of numerous Kubernetes APIs | For more information, review Preparing to upgrade to Red Hat OpenShift Container Platform 4.9, Kubernetes API and Feature Removals In 1.22: Here’s What You Need To Know and Deprecated API Migration Guide. See Deprecation Warnings for methods to identify use of deprecated APIs. Warnings for components provided by the Red Hat OpenShift on IBM Cloud cluster install can be ignored since they will be handled during the update. Note that Red Hat OpenShift on IBM Cloud cluster administrators do not need to provide a manual acknowledgment before the cluster can be upgraded, as mentioned in this Red Hat article. |
Migrating your worker nodes to RHEL 8
After updating your worker nodes to version 4.9, migrate them to use RHEL 8 by provisioning a new worker pool, then deleting the previous worker pool. See Migrating to a new Red Hat Enterprise Linux version.