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How to enable volume inline deduplication on Non-AFF (All Flash FAS) aggregates

Last Updated:

Applies to

  • Non-AFF
  • ONTAP 9.2 and later versions
  • ONTAP Select on HCI Storage


  • This article describes how to enable inline deduplication on Non-AFF (All Flash FAS) aggregates.
  • When enabling inline deduplication on non-AFF systems, you are not seeing any savings returned.
  • On Non-AFF systems, inline deduplication is disabled by default.
  • To enable inline deduplication on volumes residing within an HDD/all-SSD (non-AFF) aggregate, the following hidden option needs to be set from the nodeshell on both nodes in the HA pair as shown in the procedure below.


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