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IO workload shows periodic 3‑hour saw‑tooth pattern during long‑duration stability test

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ASA A90 systems
  • NetApp ONTAP 9.18.1RC1

Issue

  • IO stability test executed for ~50 hours across multiple volumes

  • IO throughput remains generally stable but periodically forms a 3‑hour saw‑tooth pattern

  • ONTAP cluster and storage node health appear normal

  • No associated error messages or performance alerts observed on the system side

 

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