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Storage : Volumes : Configuring volumes : Setting the Snapshot copy reserve
Setting the Snapshot copy reserve
You can reserve space (in percentage) for Snapshot copies in a FlexVol volume. Setting the Snapshot copy reserve ensures that enough disk space is allocated for Snapshot copies so that they do not consume active file system space.
About this task 
The default space reserved for Snapshot copies is zero percent for SAN and VMware volumes. For NAS volumes, the space reserved is 20 percent on storage systems running Data ONTAP versions earlier than 8.1 and five percent on storage systems running Data ONTAP 8.1.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Volumes.
3.
Select the volume for which you want to set the Snapshot copy reserve.
4.
Click Snapshot Copies > Configure.
5.
Type or select the percentage of the volume space that you want to reserve for Snapshot copies and click OK.
Related reference 
Volumes window

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