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

Virtualization disrupts the I/O path, invalidating the core assumptions that make storage arrays work

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.