How to ensure high availability of pods in Openshift - Red Hat Customer Portal

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Issue

We would like to map such a guarantee to pods in order apps may be sure that if a host dies the pods are distributed in a way that at least a pod (or the app defined number) survive without any glitches; I mean that do not want the service interruption that would occur while kube restarts the pods.is tagging openshift nodes (like we did for regions) in a way that zones are mapped to antiaffinity rules on VMWARE the only way to do that ?Do we have to change the scheduler policy of kube

Environment

Openshift Container Platform
- 3.5

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