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Persistent storage-class memory to revolutionize data centers
This article is part of the Storage magazine issue of January 2018, Vol. 16, No. 11
Things are moving backward. Only a few years ago, virtualization burst onto the scene and brought great economies to the data center. But virtualization made it bad to have direct-attached storage -- that is, storage within the server -- because the virtualization model requires the sharing of all resources, including processors, storage, code and data. Then PCIe SSDs roared onto the scene in 2008, and the move to eliminate DAS got some pushback. Fusion-io was the first to show users they could do a lot more with high-speed flash storage in the server, even in a virtualized system. Soon sys admins learned this was also true of slower, cheaper SATA SSDs. Today, storage is poised to move even deeper into the server, sitting right on the memory bus using storage-class memory, as advanced users migrate toward in-memory compute. Let's explore why this is happening and what changes will result from adopting this "new" storage technology. Learning from history More than a decade ago, semiconductor experts hypothesized that conventional...
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Features in this issue
Even as other storage startup companies fail, newcomers have appeared to take on established enterprise vendors. Can they ride the momentum for flash, hybrid cloud and SDS?
Businesses want data backup that handles more data than ever, but with software and hardware that's easier to implement and manage than what they're already using.
The software-defined approach to storage is catching on. However, for now, enterprises prefer preconfigured SDS products bundled with hardware for easier deployment.
Since it doesn't lose data during power outages, persistent memory will revolutionize direct-attached storage in particular and the cost/performance ratio of computing overall.
Columns in this issue
Easy to implement and manage may be the buzzwords of the day for enterprise data storage systems, but too often daily experiences of IT professionals belie that rosy scenario.
The advent of NVMe, software-defined storage and other newer storage technologies doesn't mean we'll be looking at all-silicon-based storage any time soon.
Embracing automation through concepts like composable infrastructure cuts back on the use of manual IT tasks, which inhibit the success of digital business.
Risk-averse enterprises finally accepted the cloud in 2017, and we didn't even notice. Expect the same for these data storage technology trends in the new year.