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  1. Red Hat OpenStack Services on OpenShift
  2. OSPRH-18845

Control plane failure during external ovn update step from 17.1z1

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    • rhos-ops-day1day2-upgrades
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    • RHOS Upgrades 2025 Sprint 12, RHOS Upgrades 2025 Sprint 13
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      To Reproduce Steps to reproduce the behavior:

      1. Run ovn external update step
      2. During run check keystone log and see :
      2025-07-28 17:33:29.049 154 ERROR oslo_db.sqlalchemy.engines [req-2d238ac8-507c-4f39-9012-06a5f1df0076 - - - - -] Database connection was found disconnected; reconnecting: oslo_db.exception.DBConnectionError: (pymysql.err.OperationalError) (2006, "MySQL server has gone away (ConnectionResetError(104, 'Connection reset by peer'))")
      [SQL: SELECT 1] 

      Expected behavior

      No disconnection of keystone from mysql and succesfull completion of ovn external update step

      Bug impact

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      Known workaround

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      Additional context

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              rhn-engineering-lbezdick Lukas Bezdicka
              mciecier@redhat.com Mikolaj Ciecierski
              rhos-dfg-upgrades
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                Created:
                Updated:
                Resolved: