This step of the wizard appears only if there are previously-designed aggregations for your cube or partition. The screen contains information about the existing data storage and aggregation settings.
Displays the data storage type used in this cube partition.
Displays the existing storage space used by the previously-designed aggregations in this cube partition.
Displays the number of aggregations that have been previously designed for this cube partition.
Select this option to completely replace the existing aggregations with new ones you design. To use new aggregations, you must reprocess the cube after aggregation design.
Select this option to append new aggregations to the existing ones. You must reprocess the cube before you can use combined aggregations for this cube partition.