Tiered storage architectures reduce cost without affecting business operations by matching data resources with
storage resources. Because Oracle databases control data placement through tablespaces and quantify data access
requirements through accounting tools, storage architectures can be customized to an Oracle instance by correlating
storage device configuration with the data from Oracle accounting tools. For transaction processing systems running
on Fibre Channel disks, the most important design heuristic is the read response time for a given effective I/O rate.
The engineering data presented in this Sun BluePrints article shows how to determine the most appropriate heuristic for
Oracle transaction processing systems, and how to apply this heuristic to meet specific data access requirements.
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