Early adopters of virtual desktop infrastructures (VDIs) that relied on hard disk drives (HDDs) were disappointed by the lack of performance of the solution:
Response times suffered because of the unique nature of the I/O demand that VDI places upon the storage subsystem.
Scaling the infrastructure meant adding expensive, yet inefficient, tier-one storage to handle the additional I/Os, even if capacity were not an issue.
Management of the infrastructure sprawl became difficult.
Unexpected costs diminished... [More]