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AIQUM/Cloud/Monitoring Tools Insight reporting extremely High IO peaks with no increase in workload

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • NFSv4.X & above.

Issue

  • After certain intervals like every 4 hours, monitoring tools like Active IQ Unified Manger/Cloud Insight are reporting IO peaks above a million , from the Node View.
  • This is happening without much increase in user load.
  • The CPU utilization would not show a similar spike for the same time.
  • No latency is reported.

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