NetApp
7-mode/HA pair/V-Series : Configuration : System Tools : Halting a storage system

Halting a storage system
You can use the Halt and Reboot window to halt a storage system.
Steps 
1.
From the Home tab, double-click the appropriate storage system to display a subtree of management features.
2.
Click Configuration > System Tools.
3.
Specify one of the options:
Select the Wait for clients check box and specify the time.
Select the Dump core check box.
4.
Click Halt.
5.
Select the check box in the confirmation window and click Halt.