The practice of duplicating data in separate volumes on two hard disks to make storage more fault tolerant. Mirroring provides data protection in the case of disk failure because data are constantly u [..]

A technique in which data is written to two duplicate disks simultaneously. This way if one of the disk drives fails, the system can instantly switch to the other disk without any loss of data or serv [..]

Disk mirroring is a technique used to protect a computer system from loss of data and other potential losses due to disk failures. In this technique, the data is duplicated by being written to two or [..]

Disk mirroring is a method of simultaneously writing information to a network hard drive while backing up the same information to a second disk. One disk controller is used to write to both hard drives. See Disk Duplexing.