Multiple ODS Data Model?

I was doing some design review with a colleague and there was a suggestion for multiple ODS's coming out of the same DataSource and filtered by year. For example, one ODS for 2005, one for 2006, etc, and then a cube on top of each ODS (cube for 2005, 2006 etc).
I know that logical/application level partitioning is an effective way to manage reporting performance, but at the staging layer (if there is no reporting on ODS), does it make sense to break the ODS's into years?
Why wouldnt we just use one staging ODS for all data and then distribute the data by year to each cube? Can you provide any reasons for or against this design?
This is for a FI GL/AP/AR design.
Thanks for any input!
Justin

Hi,
The ODS is not recommended for reporting .
It is just should be used as a datastaging Layer.So we need to avoid the use of ODS for reporting purpose. The Data upload to and from ODS is not a problematic issue even though it has laready lot of records in it ,if there is no reporting has been set on ODS. So there is no where ,it is suggested to you Multiple ODSs instead of Single ODS.
With rgds,
Anil Kumar Sharma .P

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