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Not all scale-out NAS systems are created equal
This article is part of the Storage magazine issue of Vol. 10 Num. 11 January 2012
You may already be sold on the concept of scale-out NAS, but scale-out systems vary widely and you’ll have plenty of decisions to make before buying one. Scale-out network-attached storage (NAS) has arrived. But if you said it’s been around for a while, you’d also be right -- sort of. But using a clustered file system and building NAS around it was far from being real NAS. NAS implies simplicity, and those home-cooked systems never quite fulfilled that requirement. Isilon, now a part of EMC, is probably most responsible for making scale-out NAS a reality. Isilon came to market approximately a decade ago and struggled to educate us on the virtues of scale-out architectures. It was an uphill climb as NetApp and EMC, lacking such an architecture, trivialized its need. But Isilon prevailed. NetApp recognized the potential of scale-out and bought Spinnaker Networks in 2003. It took a while to get everything integrated, but NetApp is now fully in the scale-out NAS game. Dell is, too, after acquiring Exanet, and offers PowerVault or ...
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You may already be sold on the concept of scale-out NAS, but scale-out systems vary widely and you’ll have plenty of decisions to make before buying one.