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Which is more popular: NAS or SAN?

I am attempting to convince upper management within the US Food & Drug Administration that using NAS units are effective. Can you tell me if the current trend is towards using NAS or another methodology?

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NAS can scale very large (> 100 TB) with many implementations and has clustering arrangements and distributed environments to allow for performance to scale as well. It is in used in many high-performance computing environments so it is not relegated to low-end. Because of the ease in administration, NAS has been very popular in low-end environments and that is where the predominant numbers of NAS devices are sold.

The performance really does depend on application, configuration, and product chosen. It can vary widely depending on all those factors.

This was first published in July 2004

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