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The blog for all things data center, including, design and infrastructure, Unix, Linux, mainframes and x86 servers, power and cooling efficiency, information technology (IT) service management, server consolidation and virtualization and more.

Flash advancements boost data center efficiency

With the upcoming holiday sure to brighten the skies across the U.S. with colorful flashes of light, IFireworks — Bethany Carlson, www.sxc.hu thought it would be a good time to share some of the advancements in Flash-memory based storage devices. Solid-state drives (SSD) can help bridge the server and storage performance gap and decrease data center power requirements. A few weeks ago, at Hewlett-Packard Co.’s Technology Forum, a relatively new entrant into the field, Fusion io announced that is adapting Fusion-io’s ioMemory architecture to HP’s enterprise-class servers, including the HP BladeSystem c-Class system.

“Adapting this technology specifically for HP servers offers radical increases in associated performance for a broad range of applications and workloads and can dramatically improve the effectiveness of data center architectures,” said Fusion-io CEO Don Basile. “With our ioMemory architecture, we’re getting more than 200,000 IOPS [I/O operations per second] within HP BladeSystem c-Class server blades today.”

When I met with Basile for a mere 30 minutes, he shared an intense amount of information, including a variety of statistics that illustrate the power of the technology. The ioMemory technology is still costly enough that it’s not ideal for long-term archival storage, but the speed that it provides makes it valuable in the active data requirement area. Basile explained that the technology is capable of 3.2 GB/s of sustained bandwidth, with extremely low latency (50 microseconds). In terms of I/O, a traditional enterprise application server that is I/O-intensive may cost $15 to $20 per I/O versus $0.15 per I/O using the Fusion-io system.

In addition, Basile explained that all this speed is possible with less energy expenditure and less heat than a typical storage area network (SAN). Heat and power are reduced because of the lack of mechanical heat that would otherwise be generated by spinning disks. In addition to using less than 1% of the power required by a typical SAN, the footprint is minimal: 16 ioMemory cards can fit into 10U without any oversubscription. Basile noted that consumer electronics such as the iPhone have helped lower the cost of silicone chips.

HP is not alone in integrating SSD technology. Earlier this year EMC announced that it had added SSD in its enterprise Symmetrix system, and more recently rumors have circulated that the company will add it to the Clariion storage array. Sun has also announced that it will release a new version of the Solaris operating system designed to integrate flash and traditional disk-drive storage. And Sun’s CEO Jonathan Schwartz says that it’s not just a flash in the pan. Sun’s Adam Leventhal has also produced an informative technical article outlining the technology and its optimized uses.

In the age of increasing energy costs, efficiencies in data centers are welcome, and the Flash technology is likely to play a key role in the data center of the future. If you’re interested in the topic, check out the Flash Memory Summit in August.

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