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Stephen Foskett, Pack Rat

Understanding the accumulation of data

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block zeroing

The I/O Blender Part 2: What Does Virtualization Do?

May 24, 2012 By Stephen 7 Comments

Virtualization is a disruptive technology in every sense of the word. By abstracting and simplifying physical resources, virtualization enables dynamic utilization. But this “translation” from physical to virtual disrupts the assumptions that enable performance and flexibility of physical devices such as storage arrays. Your Assumption Is Invalid See Storage Arrays Do A … [Read more...] about The I/O Blender Part 2: What Does Virtualization Do?

VMware VAAI Storage Array Support in Plain English

February 8, 2011 By Stephen 18 Comments

The most exciting enhancements in VMware vSphere 4.1 is the addition of vStorage API for Array Integration (VAAI). This new API allows VMware ESX to offload storage processing functions to capable storage arrays, reducing the workload on the server hardware in introducing new and exciting possibilities for performance and efficiency. VAAI in ESX 4.1 includes three separate … [Read more...] about VMware VAAI Storage Array Support in Plain English

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