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Access "Eliminate I/O bottlenecks, improve VM performance"

Published: 28 Nov 2012

If you’re a virtualization administrator struggling with input/output (I/O) bottlenecks, you’re in a common, but not hopeless, situation. I/O clogs in virtualized infrastructures have many sources, including storage systems and networks. While some automated virtualization tools that can help you avoid I/O bottlenecks are on the way and some exist now, there’s no panacea for network ills. So for the present, your best bet is to identify and ameliorate bottlenecks at their source. In this article, we focus on the I/O bottlenecks that occur at various levels of your data center, which include CPU, memory, storage, the system bus, the network, the blade chassis and others. It’s easy to get mired in predictions about the future and how you’ll exploit next-generation data center automation tools to solve performance problems, but discussion of solutions on the horizon doesn’t help you today. So I’ll keep my discussion of upcoming I/O fix-it products to a minimum and focus on what’s possible with technologies available now. Products and promises With today’s ... Access >>>

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    • Eliminate I/O bottlenecks, improve VM performance by Chris Wolf

      Virtualization deployments often introduce I/O bottlenecks at various levels of your physical infrastructure and undercut the gains of virtual servers. But with today’s tools, you can identify and loosen I/O choke holds at their source.

    • What to virtualize with Microsoft Exchange by Dustin Lema

      Virtualizing only certain aspects of Microsoft Exchange helps you get the benefits without undermining performance, says an expert.

    • Should you host email on virtual machines? by Richard Luckett

      Virtualizing mission-critical systems like email can aid with storage and disaster recovery. But without understanding system requirements and mandates like Sarbanes-Oxley, you’ll get derailed

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