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OnCommand Unified Manager shows incorrect node utilization for nodes upgraded to ONTAP 9.4 or later

OnCommand Unified Manager shows incorrect node utilization for nodes upgraded to ONTAP 9.4 or later

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Visibility:: Public

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Category:: oncommand-unified-manager

Specialty:: perf

Last Updated:

Applies to

OnCommand Unified Manager 9.5 & earlier
ONTAP 9.4 & later
Active IQ Unified manager

Issue

After upgrading to ONTAP 9.4 or later, node CPU utilization is displayed incorrectly when viewed in OnCommand Unified Manager.
Meanwhile while using other tools such as ActiveIQ, the CPU utilization is considerably less compared to OnCommand Unified Manager.
Alerting tools such as Solarwinds may be pulling latency alerts from OnCommand Unified Manager that show high latency

Example: The below graphs show the difference between OnCommand Unified Manager versions in CPU utilization for the same system.

OnCommand Unified Manager 9.5:

After Upgrading Active IQ Unified manager Unified Manager to 9.6P1 or above, previous CPU Utilization will still display incorrectly.