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Virtual I/O for storage networks
This article is part of the Storage magazine issue of Vol. 11 Num. 1 March 2012
Virtualizing network resources can help reduce the contention for services and significantly improve performance. The network -- both storage and IP -- is the next target in the march toward a totally virtualized data center. Virtual I/O is more than a nice-to-have feature; it’s essential to providing a more economical infrastructure that can meet the new I/O demands being placed on storage systems by server and desktop virtualization. Virtual I/O can be implemented in the host that’s connecting to the network and storage system, or it can be deployed in the infrastructure. Where it’s implemented may slightly alter the definition of virtual I/O. We’ll look at both approaches and describe how they’re different, as well as how they can work together. Today’s server/host barely resembles its predecessors from four or five years ago. In the past, when a single server supported a single application, all its I/O capabilities where dedicated to that application. In the virtualized data center, the network interface cards (NICs) and ...
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Features in this issue
Virtualizing network resources can help reduce the contention for services and significantly improve performance.
If it hasn't done so already, NetApp is shaking off that "only NAS" label with yet another big win in the Quality Awards for Enterprise Arrays.
Fifty-six percent of our readers have virtualized at least some of their installed storage. Those who have cite easier management of storage systems and data as a key benefit.
The benefits of solid-state state storage are clear; it’s fast, cool and sips power. But the technology is also changing the fundamental ways we use data center storage.
Columns in this issue
If you’ve been struggling with protecting data at your company’s remote locations, look out, it’s only going to get worse.
Don’t let yourself be dazzled by bright lights and other storage bling -- the hardware might be cool to look at, but it’s the software that’s going to make a difference.
IT departments can endorse a single offering that best balances collaboration and file sharing needs with their security and control requirements.
You might think you have good insight into your infrastructure, but for next-generation data centers, it probably isn’t good enough.