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How to diagnose misaligned I/O based on LUN type on Windows hosts

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1,082
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3
Category:
flexpod-with-infrastructure-automation
Specialty:
san
Last Updated:

Applies to

  • ONTAP 9
  • Data ONTAP 7 and earlier
  • FlexPod

Description

Observed poor performance characterized by a large number of disk accesses per KB of data sent or received.
Disks seem to be working too hard for the apparent workload.

 

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