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  1. OpenShift Bugs
  2. OCPBUGS-16214

Kubelet restart causes the node to hang in NotReady on MNO

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    • OCPNODE Sprint 239 (Blue), OCPNODE Sprint 240 (Blue)
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      8/22: reporter re-test ok, formal QE verification pending ; Green
      8/15: pending confirmation this is a dup of OCPBUGS-14918, then close
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      8/22: reporter re-test ok, formal QE verification pending ; Green 8/15: pending confirmation this is a dup of OCPBUGS-14918 , then close

      Description of problem:

      Kubelet restart on vanilla MNO OCP with version 4.14 causes the node to hang on NotReady state.

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

      4.14

      How reproducible:

      always

      Steps to Reproduce:

      1. Deploy 4.14 MNO cluster 
2. restart kubelet on node: sudo systemctl restart kubelet
3.

      Actual results:

      The node on which the kubelet was restart is stuck in NotReady and doesn't recover.

      Expected results:

      The node should recover in a short time (matter of ~10 seconds).

      Additional info:

      The behavior does not reproduce on all 4.13, it was reproduced on 4.13.0-0.nightly-2023-06-15-044404.
kubelet version: v1.27.3+af29f64.
Encountered on OCP version: 4.14.0-0.nightly-2023-07-11-092038.
This behavior was not encountered on SNO.

       

            team-mco Team MCO
            rhn-support-shajmakh Shereen Haj
            Sunil Choudhary Sunil Choudhary
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              Created:
              Updated:
              Resolved: