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October 2017, Vol. 16, No. 8

Secondary data storage: A massively scalable transformation

We all know flash storage is fast, increasingly affordable and quickly beating out traditional spinning disk for primary storage needs. It's like all our key business applications have been magically upgraded to perform 10 times faster! In the data center, modern primary storage arrays now come with massive flash caching, large flash tiers or are all flash through and through. Old worries about flash wearing out have been largely forgotten. And there are some new takes on storage designs, such as Datrium's, that make great use of less-expensive server-side flash. Clearly, spending money on some kind of flash, if not all flash, can be a great IT investment. Yet, as everyone builds primary storage with flash, there is less differentiation among those flashy designs. At some point, "really fast" is fast enough for now, assuming you aren't in financial trading.  Rather than argue whose flash is faster, more reliable, more scalable or even cheaper, the major enterprise IT storage concern is shifting toward getting the most out of ...

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