RAID
[English]RAIDRAID is a technology to manage many hard disks. This will increase processing speed and enhance reliability.This is explained in this section.①RAID 0 (striping)A computer divides and distributes data to many hard disks.To speed up data reading and data writing. But there is no redundancy andno fault tolerance.②RAID 1 (mirroring)A computer writes same data to many hard disks. To enhance fault tolerance.③RAID 3A computer is composed three or more hard disks. It writes parity to one harddisk and writes data to other hard disks.Parity is a technology to detect errors. If data is gone, it is possible to restoredata with parity.④RAID 5A computer distributes data and parity to many ha
0