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VMware's Virtual SAN Threatens Traditional Data Storage Models

VMware's Virtual SAN Threatens Traditional Data Storage Models
VMware has launched the final part of its software defined data center puzzle: a virtual SAN product called Virtual SAN. The product has been in beta testing for the last six months, with around 12,000 customers, but there were still plenty of surprise announcements made at the launch event on March 6. The biggest of these was the maximum size of its Virtual SAN. Previously VMware had said that this would be 8 server nodes, and then 16. But VMware CEO Pat Gelsinger announced that the product has been upgraded to support 32 nodes. Now for some math. "This is a monster," said Gelsinger, echoing the monster VM concept that the company introduced in 2011 with the introduction of vSphere 5. He added that performance scales linearly - a 16 node setup offers 1M IOPS, a 32 node one offers 2M IOPS - and despite his previous comment about 32 nodes being monstrous, he hinted that even larger Virtual SANs are on the roadmap: "There will be more in the future. It turns out that there's two ways.

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