NetApp
Vserver : Policies > Efficiency Policies : Managing efficiency policies : Enabling or disabling efficiency policies
Enabling or disabling efficiency policies
You can either enable or disable an efficiency policy, as required.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
Ensure that the left navigation pane displays the Vservers hierarchy.
3.
In the navigation pane, select the Vserver and click Policies > Efficiency Policies.
4.
Select one or more efficiency policies which you want to enable or disable.
5.
Click either Enable or Disable, as appropriate.
6.
If you are disabling an efficiency policy, select the confirmation check box and click OK.