NetApp
Storage : Volumes : Managing volumes : Enabling storage efficiency on a volume
Enabling storage efficiency on a volume
You can use System Manager to enable storage efficiency and configure deduplication and data compression or only deduplication on a volume to save storage space. If you have not enabled storage efficiency when you created the volume, you can do so later by editing the volume.
Before you begin  
•
Deduplication license must be enabled on the storage system.
•
The volume must be online.
Steps  
1.
From the home page, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Volumes.
3.
Select the volume for which you want to configure deduplication.
4.
Click Edit, and then click Storage Efficiency.
5.
Select Enable Storage Efficiency.
6.
Select one of the following schedules:
•
On-demand
•
Automated
Deduplication is automatically run when 20 percent new data is written to the volume.
•
Scheduled
If you selected the Scheduled option, set the schedule by specifying the days on which you want deduplication to run and the number of times and frequency at which deduplication is run.
7.
Select the Enable Compression check box to enable background compression.
8.
Select the Compress Inline check box to compress data while it is being written to the volume.
9.
Click Save and Close to save your changes.
Related reference  
Volumes window

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