Databases Reference
In-Depth Information
Table 13.2
SAN and NAS Differences
The theoretical beginnings of RAID began at IBM in the late 1970s, when Normal
Ouchi filed a patent for the “system for recovering data stored in failed memory unit.”
The basic concepts of Ouchi's patent describe the most important ideas of RAID 5.
RAID was later formalized for storage systems in the 1988 SIGMOD paper by Patter-
son et al. [1988]. Patterson et al.'s paper was considered the seminal paper introducing
the RAID concept, and the disk array industry expanded rapidly after its publication.
Patterson, a professor of computer engineering at Berkley, is generally regarded as one of
