NetApp
Storage > Quotas : Managing quotas : Resizing quotas

Resizing quotas
You can use the Resize Quotadialog box to adjust currently active quotas in the specified volume to reflect the changes that you have made to a quota.
Before you begin 
Quotas must be enabled for the volumes for which you want to resize quotas.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Quotas.
3.
In the Manage tab, select one or more volumes for which you want to resize quotas.
4.
Click Resize.
5.
Click Ok.