At Storage Networking World, at least one new category in storage is coming to the forefront. Automated Storage Tiering attempts to address the challenge of integration and provide increased optimization of tier 0 storage. These are typically devices that can sit in front of your existing storage platform and allow some of it to leverage a high speed solid state front end without you manually having to move data to a Solid State Disk (SSD) The companies in this space include Avere Gear6 and Storspeed.”]
Source: https://www.darkreading.com/database-security/here-comes-automated-storage-tiering