NetApp
SnapMirror : Managing SnapMirror relationships : Initializing SnapMirror destinations

Initializing SnapMirror destinations
When you start a SnapMirror source-destination relationship for the first time, you have to initialize the destination. Initializing a destination consists of a complete baseline transfer of information from a source volume or qtree to the destination. You can use the Protection window to initialize a SnapMirror destination.
Before you begin 
If the destination is a volume, it must be in a restricted state.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click SnapMirror.
3.
Select the SnapMirror relationship that you want to initialize.
4.
Click Operations > Initialize.
5.
Click Initialize.