Race condition by upgrade of a scaled Hawkular metrics

Solution Verified - Updated -

Issue

  • After an upgrade the Hawkular metrics pods don't start successfully and metrics don't get collected any more.

Environment

  • Red Hat OpenShift (OCP) 3.0 till 3.10 when Metrics' compoments are scaled:

    • at least 2 instances of Hawkular Metrics
    • at least 3 instances of Cassandra

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