SearchServerVirtualization has a new article up on virtualization and storage, which you can find here.

Plan your strategies prior to planning virtualization.
What is the resource optimization strategy for your data center? Do you have a disaster recovery strategy? While virtualization holds the promise of centralized management and leveraging lower-cost storage, you must first understand where your data center is headed overall. Virtualized storage is simply one tactic to be leveraged in the context of achieving the goal of operational optimization. For example, how many data centers are you going to have? Which functions will each one serve and where will they be located? What existing storage resources do you have, and what future storage needs are you facing? How will you manage daily storage, data protection, archival and disaster recovery tasks?

Full article at SearchServerVirtualization.