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To illustrate the savings that can be found from using the easier to use HP StorageWorks EVA, it applied the weighting factors identified in this study to the results of a previous Edison Group study. The results showed that for a select group of tasks, an organization using HP EVA arrays could realize a workday savings of 35 percent over similar arrays from EMC and a remarkable 49 percent savings over similar arrays from NetApp. When the weighting factors determined in the preparation of this paper through interviews and surveys of storage administrators are applied to the time and efficiency findings presented in earlier report, a formula to determine comparative cost savings can be arrived at.
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