For the last two decades, RAID (redundant array of inexpensive disks) controllers have ruled the storage world. RAID has been required for data protection in disk arrays. RAID schemes (RAID 0,1,6 10, etc.) reside on RAID controllers baked into disk arrays with many billions sold to date. But perhaps more important from the standpoint of making money, the RAID controller has also delivered differentiated value for storage vendors. Data copy and migration, snap shot, deduplication, and the list of controller-based functions goes on--all have been loaded on to the RAID controller.
It's becoming increasingly clear that the … Read more