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Access "The impact of virtual storage appliances"

Tony Asaro, Contributor Published: 05 Nov 2012

Software-only storage controllers running in virtual machines are an easy, economical way to get shared storage. But current products aren’t up to enterprise standards . . . yet. A virtual storage appliance (VSA) is storage controller software that runs within a virtual machine (VM) turning servers into data storage systems. There are a number of them available, including Hewlett-Packard’s StorageWorks P4000 Virtual SAN Appliance Software (formerly LeftHand), which is the most widely adopted, and VMware’s recently announced vSphere Storage Appliance. The implications of VMware offering a VSA are compelling, although the immediate impact is minimal. VSA solutions are typically positioned as small- and medium-sized business (SMB) storage because of performance limitations that draw a distinct line in the sand between VSA and hardware-based storage systems. However, the line will begin to disappear as processors and memory become even faster and cheaper. And you can count on innovations that will overcome technical limitations and improve not only performance ... Access >>>

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Features
  • Columns
    • I/O: The next frontier by Arun Taneja, Contributor

      Processors get faster, networking tech takes it up a notch and bus designs keep up the pace, but they may all be dragged down if we can’t find a fix for slow I/O performance.

    • Curious about cloud? Consider these simple, safe ways to get started by Terri McClure, Contributor

      Cloud-enabled storage arrays are among the ways that cautious end users are testing the cloud without the worry.

    • The impact of virtual storage appliances by Tony Asaro, Contributor

      Software-only storage controllers running in virtual machines are an easy, economical way to get shared storage. But current products aren’t up to enterprise standards . . . yet.

    • Let’s get real about the cloud by Rich Castagna

      Cloud storage is really a pretty simple concept, so how the heck did it get so complicated?

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