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Why node Available IOPS in AIQUM is lower than theoretical node performance value?

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active-iq-unified-manager
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Applies to

  • Acitive IQ Unified Manager (AIQUM)
  • ONTAP 9

Answer

Available IOPS seen in Nodes in AIQUM appears lower than the theoretical node performance value for two reasons:
  • Available IOPS is calculated based on optimal IOPS, not maximum IOPS. 
  • Theoretical IOPS values assume ideal conditions, but actual workloads lower effective performance due to random I/O, mixed read/write operations, and varying I/O sizes.

Additional Information

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