You can reserve space for a volume in an aggregate. You can use this feature to ensure a space guarantee for a volume SnapMirror destination.
The default setting for a volume is: guarantee=volume. This indicates that space for the volume is reserved in the aggregate. You can change this setting using the following command. vol options vol_name guarantee {none | file | volume}
For more information about volume space guarantees, see the Data ONTAP Storage Management Guide.