The storage subsystem may be the most important piece of the entire virtual desktop infrastructure. It is responsible for most of the performance of the virtual desktop environment and if it can’t keep up, the entire environment will be impacted. We learned this the hard way a few months back.
In this environment, the I/O per second (IOPS) capacity is critical. Mechanical drives (your standard spinning disk) just can’t keep up with the demands a high-density VDI puts on them. Products you should consider are built around solid-state memory and provide thousands of IOPS per GB vs. just a couple hundred per GB with mechanical drives. Yes they are more expensive per GB but they are a fraction of the cost when you break it down on a $/IOPS basis.
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