USB Device RAID 4, 5, and 6

Redundant Array of Inexpensive Disks (RAID) is an implementation to either improve performance of a set of disks and/or allow for data redundancy. Reading and writing performance issues can be helped with RAID. RAID is made up of various levels. This article covers RAID Levels 4, 5 and 6 and how to implement them on a Linux system.