Storage capacity management obviously drives CapEx expenditures. However, capacity management also ripples through the rest of storage infrastructure cost profile. Capacity impacts software license costs, maintenance costs as well as power/cooling and floor space costs. Thus, capacity management is the #1 thing that any IT organization can do for cost containment. Here is a related post with four steps that you can take to control capacity: storagenerve.com/2009/08/24/taming-the-storage-budget-beast/ .