Face-Off: EMC DMX-3 vs. Hitachi USP1100


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For anyone unfamiliar with the HDS controller-centric approach, the 32PB capacity claim can be confusing. What's behind this massive number is that the Universal Star Network architecture within the USP (and its freestanding deployment as HDS' TagmaStore Network Storage Controller line outside of the array) can establish virtual ports within and outside the array, providing a common,

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centralized controller-based means of scaling the entire system to 32PB, including internal (332TB) and external storage (see "HDS' approach to scaling capacity"). EMC is quick to note that HDS can't produce a customer who's even close to that level of production deployment with the USP. In any case, it demonstrates an important theoretical point that HDS seeks to emphasize: Its controllers are powerful and, over time, they'll continue to support increased levels of storage.

"We are absolutely using the USP for virtualization of production workloads," says Lance Smith, managing director of storage services at Atos Origin's North America Data Center Services in Houston.

Today, HDS articulates a scaling story for USP that shows tiering strategies and TCO benefits to be gained from comparatively less-expensive arrays being controlled by the software intelligence driving through the USP. One strategic HDS customer, Paul Ferraro, storage manager at wireless network company Qualcomm Inc. in San Diego, is using HDS "to drive tiering across multiple arrays in several areas, including backups, staging, as well as for our database customers."

This was first published in January 2007

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