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Flash is everywhere, but are all-flash arrays best?
This article is part of the Storage magazine issue of July 2013 Vol. 12 No. 5
There's no denying that some applications with a relentless need for IOPS will require all-flash arrays. But most of your workloads will do just fine with well-designed hybrids. Over the past three years the choices for flash-based storage products have skyrocketed. We now have PCI Express card and disk form-factor products for the server, caching devices that can be installed in the network, standard disk form-factor solid-state drives for traditional array architectures, caching in front of a traditional array and, of course, 100% flash-based arrays. No storage array vendor wants to be left out of the "flash revolution." That's hardly a surprise. Flash technology is a godsend and its timing couldn't be better given the magnitude of the data to be stored, accessed, moved and analyzed in this era of Web 2.0 and log-data-spewing machines. But with variety comes the difficult part of choosing the right flash implementation for the job. This is further complicated by every vendor jockeying for leadership in this lucrative area and ...
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The more flash the better, right? Maybe, but maybe not, depending on your applications' needs.