Clusters that are correctly user-provisioned or installer-provisioned can be upgraded in the exact same manner.Īs we walk through the upgrade and release process, these goals will pop up in every facet of OpenShift. All installations behave the same for all Day 2 operations.Fully manage everything, from the OS up to the cluster control plane and cluster add-ons.This allows an admin to do remediation or reconfigure into an acceptable configuration. All components monitor their health, and most errors do not impact functionality. Pause on any blocking errors without impacting the cluster, if possible.OpenShift components are forward and backward compatible within a range of versions. Kubernetes API migrations are not always reversible and vary from component to component. Ability to always roll forward if any bugs are encountered.Applications should be using all Kubernetes best practices for maintaining high availability. No downtime for applications during an upgrade.For a consumer, they also have ways for you to opt in to beta releases and toggle feature flags to further control your experience testing new features.Įach OpenShift release has the following goals: Each of these products have mechanisms to roll out new versions over time to ensure product quality and device health. Red Hat’s goals for providing new versions of OpenShift mirror the experience you might have had with iOS, Android, or the Chrome browser. If you would prefer to watch or listen, head on over to a recording of this guide on. This guide aims to help cluster administrators plan out their upgrades to their OpenShift fleet and communicate best practices to harness OpenShift’s automated operations. This automation lets OpenShift customers run 10-plus to a 100-plus clusters without scaling their operations team linearly. In short, the experience is like a Kubernetes cluster delivered as a service, with one-click upgrades driven by a high degree of automation. OpenShift 4 brings unmatched automation to cluster installation, cluster scaling, maintenance, and security updates.

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