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Optimizing Citrix® XenDesktop® for High Performance by Craig Thomas Ellrod

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Input/output operations per second

Input/Output operations per second is a commonly talked about measurement of performance with regards to storage. It was mentioned early in this chapter; so think about how you will be impacted by IOPS. For Lab and Proof of Concept deployments, IOPS may not affect you that much. If you are deploying XenDesktop for production use, IOPS adds up and it will affect you.

If you think about it, this makes sense. Before virtualization, you had one person or just a handful, accessing the hard drive for data. Now, you have hundreds or thousands of users accessing hard drive data and storage was never really engineered for that type of usage. The industry and some startups are just now getting around to solving the problem. ...

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