Goal:

• Collect etcdfio samples from some nodes in the cluster so it will be possible to decrease the interactions between the reviewer and the partner, helping to take decisions when reviewing the disk performance is in conformance the recommended by Red Hat with official tests

References (from insights):

[FAIL] ccx_rules_ocp.internal.rules.etcd_low_backend_performance.report
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Links:
    jira:
        https://issues.redhat.com/browse/INSIGHTOCP-119
        https://issues.redhat.com/browse/INSIGHTOCP-300
        https://issues.redhat.com/browse/INSIGHTOCP-73
        https://issues.redhat.com/browse/INSIGHTOCP-944
    kcs:
        https://access.redhat.com/solutions/4770281
        https://access.redhat.com/solutions/5240831
        https://access.redhat.com/solutions/5340011