NetApp
HA Configuration : Managing HA configuration : Enabling or disabling HA configuration
Enabling or disabling HA configuration
You can enable a partner node to take over the storage of its failover partner if the partner fails. You can use the HA Configuration window to enable or disable HA configuration. HA configuration is enabled by default.
Steps 
1.
From the Home tab, double-click the appropriate HA configuration.
2.
In the navigation pane, click HA Configuration.
3.
Click either Enable HA or Disable HA, as appropriate.
4.
Select the confirmation check box and click either Enable or Disable, as appropriate.