How to undo the storage efficiency savings in ONTAP

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Category:: ontap-9

Specialty:: core

Last Updated:

Applies to

ONTAP
Storage Efficiency
Compression
Compaction

Description

This KB explains how to disable all storage efficiency (SE) features on a volume.

Beginning ONTAP release 9.2, storage efficiency is enabled by default on All Flash FAS (AFF) platforms.

Under certain conditions such as below, it becomes necessary to undo the SE savings:

Converting a thin provisioned volume to thick and host a LUN, since AFF by default creates thin provisioned volumes
Changing the SE compression type
Changing the application io size to improve the compression savings

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