today i read James Serra’ post – whether 1 single BIG cube is good as comapred to multiple small cubes. Check out the advantages and disadvantages with both design approaches. he made a pretty nifty list of both of these.
i would also recommend you to read this post.
here is the link: http://www.jamesserra.com/archive/2013/01/ssas-one-giant-cube-or-many-small-ones
i hope you also find this interesting.