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How to approximate Keystone Consumption with LUNs

  1. Last updated
    Jul 9, 2025
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keystone
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Last Updated:
7/9/2025, 8:18:42 PM

Applies to

  • ONTAP 9
  • Keystone
  • AIQ Dashboards
  • Thin-Provisioned Volumes (TPVs)

Description

  • Keystone Logical Used is generally calculated by the method below:
  • LUNs are logical containers whose size are added directly to logical-used-by-afs.
  • When LUNs are in use with thin provisioning and space-reservation enabled, the calculation changes
  • Thin provisioning and space-reservation impact the amount of space occupied by the LUN and must be considered to accurately meter Keystone Logical Used
  • The following procedure can be used to determine the approximate consumption values to be counted toward the corresponding service levels for a specific TPVs containing one or more LUN(s)

 

 

 

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