Tiered Storage
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Many storage environments support a diversity of needs and use disparate technologies that cause storage sprawl. In a large-scale storage infrastructure, this environment yields a suboptimal storage design that can be improved only with a focus on data access characteristics analysis and management to provide optimum performance.

The Storage Networking Industry Association (SNIA) standards group defines tiered storage as “storage that is physically partitioned into multiple distinct classes based on price, performance or other attributes. Data may be dynamically moved among classes in a tiered storage implementation based on access ...

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