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This paper is intended to guide MD3000 and MD3000i customers through the advanced processes behind tuning their storage array to best suit their individual needs. Presented within are the best practices that must be observed in performance tuning a first generation firmware (06.XX.XX.XX) and second generation firmware (07.XX.XX.XX) storage array. The challenge of storage performance tuning is to understand and control the interacting components while accurately measuring the application performance. Because the performance of the storage array accounts for only a portion of the overall application performance, tuning must be performed taking into account the Input/Output (I/O) characteristics of the application and all of the components involved in the data path, such as SAS HBA, iSCSI initiator, network switch and host operating system settings.
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