NetApp
Storage > Quotas : Managing quotas : Editing quotas

Editing quotas
You can use the Edit Quota dialog box to modify disk space threshold; hard and soft limits on the amount of disk space that the quota target can use; hard and soft limits on the number of files that the quota target can own.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Quotas.
3.
Select the quota that you want to edit and click Edit.
4.
Modify the quota settings as required.
5.
Click Save and Close to save your changes and close the dialog box.
6.
Use the Quotas tab to verify the changes that you made to the selected quota.
After you finish 
You must resize the quota to enable the changes to take effect.