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Tiered Storage Economics: Defining and Calculating the Economic Benefit of Tiered Storage Solutions
As IT architects and storage planners continue to look at best practices and technologies to proactively reduce ownership costs, dynamic tiered storage solutions should be part of a short- and long-term strategy for improved asset utilization and storage efficiencies. While many IT planners assume that purchasing low-cost disk solutions alone will drive down the total cost of storage ownership, Hitachi Data Systems has observed that price alone cannot sufficiently impact lowering of operating expenses or reducing the total cost of disk ownership. Properly designing and implementing dynamic, multitiered storage architectures can significantly reduce current and long-term total cost of ownership.
This paper examines trends and empirical results by Hitachi Data Systems consultants and IT analysts, which indicate that providing multiple tiers of storage to meet multiple lifecycle demands can have a positive impact on return on investment (ROI) and reductions in capital and operating expense. Business and technical values of providing mobility of the data between the tiers is an essential characteristic in today’s high-growth and complex storage infrastructures.