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Access "Mix SAS/SATA drives for speed or capacity"

Published: 20 Oct 2012

New arrays with a mix of SAS and SATA drives let you set up tiering in a single box. But proceed with caution: Numerous inoperability issues need to be resolved. The emerging class of mixed SAS and SATA storage systems could be the next big disruptive technology. Mixing high- and low-cost SAS and SATA disk drives within the same system, at interconnect speeds comparable to Fibre Channel (FC), is a recipe for significant change and opens the door to data lifecycle management (DLM). Most major storage vendors will release mixed SAS and SATA disk drive storage systems by early to mid-2008. The price of these systems is expected to drop below that of mixed FC/SATA arrays, and storage vendors will be jockeying for position. A spokesperson for Network Appliance (NetApp) Inc. says combining SAS and SATA drives in the same system is critical to the company's future product lines. However, issues unique to SAS/SATA mixed-drive products are starting to emerge. For example, Overland Storage Inc. recommends users separate SAS and SATA disk drives in its new Ultamus RAID... Access >>>

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      Given current practices, it's questionable whether electronic information created and stored today will be usable 10 years or 15 years from now. The steps we take now will greatly affect the magnitude of the problem facing us (or our successors) in the future.

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