etcd triggering and rolling out revision when etcd Cluster is degraded/unhealthy in OpenShift Container Platform 4
Issue
- On a cluster running with one degraded master, we started the masters recovery procedure, during which we delete the degraded node. Once the node is deleted, an
etcd
revision is started leaving the cluster with only oneetcd
pod running at some point in time, causing an API unavailability. etcd
triggering and rolling out revision whenetcd
Cluster is degraded/unhealthy in OpenShift Container Platform 4
Environment
- Red Hat OpenShift Container Platform 4
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