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ONTAP Disk utilization and latency - Resolution Guide

ONTAP Disk utilization and latency - Resolution Guide

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Visibility:: Public

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Category:: ontap-9

Specialty:: perf

Last Updated:

Applies to

ONTAP 9

Description

Troubleshoot high disk utilization or latency in ONTAP
Note: This is a secondary article on how to troubleshoot ONTAP 9 performance, please 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.