Data and storage requirements are growing at unbelievable rates for businesses of every type. To help counter this, it's time for organizations to examine the benefits that disk storage subsystems can provide in data protection environments. This white paper details four disk-based data recovery architectures and provides guidance on how to determine whether or not those architectures would be an overall fit within the IT infrastructure. The assessment of a solution's effectiveness examines whether its overall benefits balance well against its human, corporate, and financial costs. This white paper offers in-depth insight on what those benefits and costs are so that IT professionals are armed with the knowledge required to make sound decisions.