The upgrade of the cluster-network-operator is causing massive SDN outage, affecting SDN and thus all services running on top of OpenShift Container Platform 4

Solution Unverified - Updated -

Issue

  • While updating OpenShift Container Platform 4.9.42 to OpenShift Container Platform 4.10.21, we noticed massive disruption of SDN networking/connectivity and DNS functionality while the cluster-network-operator was updating it's component.
  • We recently updated two of our production clusters on OCP 4.10 and noticed during the updates java.net.UnknownHostException errors which impacted service availability.
  • SDN unavailable for quite a long time, while upgrading from OpenShift 4.9 to 4.10

Environment

  • Red Hat OpenShift Container Platform (RHOCP) 4.9 and 4.10

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content