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Huge difference on available IOPS between nodes on cluster

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • AFF
  • FabricPool

Issue

  • Available IOPS in AIQUM will show less on the affected node
  • The CPU utilization is higher on the affected node
  • The node level IOPS discrepancy is in hundreds of thousand
  • Protocol IOPS is quite similar

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