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  1. OpenShift Bugs
  2. OCPBUGS-17858

masters reboot after applying PerformanceProfile for workers

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    • Icon: Bug Bug
    • Resolution: Not a Bug
    • Icon: Major Major
    • None
    • 4.14.0
    • Node Tuning Operator
    • None
    • Important
    • No
    • Proposed
    • False
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      If you want to see it in CI: https://prow.ci.openshift.org/view/gs/origin-ci-test/pr-logs/pull/openshift_release/42389/rehearse-42389-periodic-ci-shiftstack-shiftstack-ci-main-periodic-4.14-e2e-openstack-nfv-intel/1691878302945382400

      Check here, the masters being updated: https://gcsweb-ci.apps.ci.l2s4.p1.openshiftapps.com/gcs/origin-ci-test/pr-logs/pull/openshift_release/42389/rehearse-42389-periodic-ci-shiftstack-shiftstack-ci-main-periodic-4.14-e2e-openstack-nfv-intel/1691878302945382400/artifacts/e2e-openstack-nfv-intel/gather-extra/artifacts/oc_cmds/machineconfigpools

       

      Description of problem:

      master are rebooted once a PerformanceProfile is being created for CNF workers

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

      4.14.0

      Steps to Reproduce:

      * Install a compact cluster, 3 masters - 0 worker
      * Run this command: oc patch Scheduler cluster --type=merge --patch '{ "spec": { "mastersSchedulable": false } }'
      * The masters should not have the worker role anymore
      * Create a Performance Profile, with node selector set for workers only, not masters
      

      Actual results:

      The masters are rebooted.

      Expected results:

      The masters are not rebooted; only workers would be rebooted if we had any worker, since the PerformanceProfile would be applied.

      Additional info:

      * Started to happen around 1st of August in our CI
      * Example of CI job that failed: https://prow.ci.openshift.org/view/gs/origin-ci-test/pr-logs/pull/openshift_release/42389/rehearse-42389-periodic-ci-shiftstack-shiftstack-ci-main-periodic-4.14-e2e-openstack-nfv-intel/1691878302945382400
      * https://redhat-internal.slack.com/archives/CH98TDJUD/p1692034558077379

              yquinn@redhat.com Yanir Quinn
              emacchi@redhat.com Emilien Macchi
              Liquan Cui Liquan Cui
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                Created:
                Updated:
                Resolved: