Scale out storage solutions have become a popular way to balance the need to find storage solutions that are cost effective and that can scale to meet future performance demands. Scale out solutions work by providing the users with the ability to independently scale storage processing, capacity and bandwidth. The range that classic storage architectures can cover continues to increase as the processing power and capacity per box ride the technology wave. George Crump is lead analyst of Storage Switzerland, an IT analyst firm focused on the storage and virtualization segments.”]
Source: https://www.darkreading.com/database-security/2010-storage-trends-scale-out-storage