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ONTAP Disk utilization and latency - Resolution Path

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • FAS

Description

  • This article covers troubleshooting high disk utilization or latency in ONTAP.
  • Note: This is a secondary article on how to troubleshoot ONTAP 9 performance; see the main ONTAP 9 performance troubleshooting Resolution Guide.
  • Using Active IQ Unified Manager or qos statistics volume latency show, latency is shown to be in the Disk or Aggregate Processing (Active IQ Unified Manager), and latency is actively impacted on the target volume.
  • Performance capacity reported by AIQUM or ONTAP 9 is beyond critical threshold for the affected aggregate.

 

 

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