Chapter 3. Enabling Linux control group version 2 (cgroup v2)

Procedure

1. Create or edit the node.config object to specify the v2 cgroup:

   apiVersion: config.openshift.io/v1
   kind: Node
   metadata:
     name: cluster
   spec:
     cgroupMode: "v1"

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2. Create or edit the FeatureGate object to enable the TechPreviewNoUpgrade feature set:

   apiVersion: config.openshift.io/v1
   kind: FeatureGate
   metadata:
     name: cluster
     spec:
       featureSet: "TechPreviewNoUpgrade"

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3. Proceed with the installation as usual.