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  1. OpenShift Bugs
  2. OCPBUGS-23319

When starting cluster update, nodes in paused MCPs begin updating

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      * Previously, nodes of paused `MachineConfigPools` migh be incorrectly unpaused when performing a cluster update. With this release, nodes of paused `MachineConfigPools` correctly stay paused when performing a cluster update. (link: https://issues.redhat.com/browse/OCPBUGS-23319[*OCPBUGS-23319*])
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      * Previously, nodes of paused `MachineConfigPools` migh be incorrectly unpaused when performing a cluster update. With this release, nodes of paused `MachineConfigPools` correctly stay paused when performing a cluster update. (link: https://issues.redhat.com/browse/OCPBUGS-23319 [* OCPBUGS-23319 *])
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      Description of problem:

      When using canary rollout, paused MCPs begin updating when the user triggers the cluster update.

      Version-Release number of selected component (if applicable):

       

      How reproducible:

      Approximately 3/10 times that I have witnessed.

      Steps to Reproduce:

      1. Install cluster
2. Follow canary rollout strategy: https://docs.openshift.com/container-platform/4.11/updating/update-using-custom-machine-config-pools.html 
3. Start cluster update

      Actual results:

      Worker nodes in paused MCPs begin update

      Expected results:

      Worker nodes in paused MCPs will not begin update until cluster admin unpauses the MCPs

      Additional info:

      This has occurred with my customer in their Azure self-managed cluster and their on-prem cluster in vSphere, as well as my lab cluster in vSphere.

              rhn-engineering-rhamilto Robb Hamilton
              rhn-support-adolling Adam Dollinger
              Yanping Zhang Yanping Zhang
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                Updated:
                Resolved: