In this era of the agile data center, the thought of consolidating to a single storage system may seem impossible. But the very technologies, flash and high capacity disk, that lead to storage sprawl can also eliminate it. In this article we discuss how the next generation of storage systems will need to combine flash and disk with software intelligence. This software will need to do more than just automatically move data between these tiers, it will need allow the administrator to set the quality of service policies that will guarantee critical applications consistent performance.