Aggregations Already Exist (Storage Design Wizard)
This step of the wizard appears only if there are previously designed aggregations for your cube or partition. This step contains information about the existing data storage and aggregation settings.
Options
Data storage type
View the data storage type used in this cube partition.
Aggregation storage space
View the existing storage space used by the previously designed aggregations in this cube partition.
Number of aggregations
View the number of aggregations that have been previously designed for this cube partition.
Replace the existing aggregations
Select this option to completely replace the existing aggregations with new aggregations that you design. To use new aggregations, you must reprocess the cube after aggregation design.
Add new aggregations to the existing ones
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.