NetApp
SnapMirror : Configuring SnapMirror relationships : Creating SnapMirror relationships
Creating SnapMirror relationships
You can use mirroring technology to replicate data from a source volume or qtree to a destination volume or qtree, at regular intervals or on demand. You can use the SnapMirror Relationship Create wizard to create a mirroring relationship between a source volume and a destination volume.
Before you begin 
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The SnapMirror license must be enabled on both the source and the destination storage systems.
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For SnapMirror volume replication, the capacity of the destination volume must be greater than or equal to the capacity of the source volume.
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The SnapMirror destination volume cannot be the root volume of a storage system.
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The destination storage system must have access to the source storage system.
About this task 
The storage system can either be the source system or the destination system for the new SnapMirror relationship that you create. You can create a volume SnapMirror relationship by using a FlexClone volume or its parent as the source volume. However, you cannot create a volume SnapMirror relationship by using either a FlexClone volume or its parent as the destination volume.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click SnapMirror.
3.
Click Create.
4.
Type or select information as requested by the wizard.
5.
Confirm the details and click Finish to complete the wizard.
6.
Verify that the SnapMirror relationship you created is included in the list of SnapMirror relationships in the SnapMirror window.
If the SnapMirror relationship is not initialized during creation, then it is not displayed in the SnapMirror window of the source system. You have to initialize it from the SnapMirror window of the destination system.
Related reference 
SnapMirror window