Definitions for "Disk Duplexing"
There are two forms of RAID 1: disk duplexing and disk mirroring. Disk mirroring involves two hard drives that are on the same drive controller. The same...
Fault tolerance method in which two disk controllers are used in a single server.
Attaching mirrored disks to separate disk controller boards. Disk duplexing provides more security than disk mirroring because it duplicates not just the disk, but also the controller channel (which includes the controller board and cables) as well. See also Disk mirroring.