High availability (HA) is available by default for the Knative Serving
kourier-gateway components, which are configured to have two replicas each by default. You can change the number of replicas for these components by modifying the
spec.high-availability.replicas value in the
KnativeServing custom resource (CR).
To specify three minimum replicas for the eligible deployment resources, set the value of the field
spec.high-availability.replicas in the custom resource to
You have cluster administrator permissions on OpenShift Container Platform, or you have cluster or dedicated administrator permissions on Red Hat OpenShift Service on AWS or OpenShift Dedicated.
The OpenShift Serverless Operator and Knative Serving are installed on your cluster.
In the OpenShift Container Platform web console Administrator perspective, navigate to OperatorHub → Installed Operators.
Click Knative Serving in the list of Provided APIs for the OpenShift Serverless Operator to go to the Knative Serving tab.
Click knative-serving, then go to the YAML tab in the knative-serving page.
Modify the number of replicas in the
apiVersion: operator.knative.dev/v1beta1 kind: KnativeServing metadata: name: knative-serving namespace: knative-serving spec: high-availability: replicas: 3