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  1. OpenShift Container Platform (OCP) Strategy
  2. OCPSTRAT-1341

Remove Cgroup v1 from OCP in 4.19

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      Feature Overview (aka. Goal Summary)  

      Cgroup V1 was deprecated in OCP 4.16 . RHEL will be removing support for cgroup v1 in RHEL 10 so we will remove it in OCP 4.19 

      Goal 

      Upgrade Scenario

      For clusters running cgroup v1 on OpenShift 4.18 or earlier, upgrading to OpenShift 4.19 will be blocked. To proceed with the upgrade, clusters on OpenShift 4.18 must first switch from cgroup v1 to cgroup v2. Once this transition is complete, the cluster upgrade to OpenShift 4.19 can be performed.

              gausingh@redhat.com Gaurav Singh
              gausingh@redhat.com Gaurav Singh
              Neelesh Agrawal Neelesh Agrawal
              Matthew Werner Matthew Werner
              Derrick Ornelas Derrick Ornelas
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                Created:
                Updated: