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Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.

Select a letter or use the search box to look up a term.

    Duplexing (Disk)

    Disk duplexing, like disk mirroring, copies data to a duplicate hard disk. Duplexing also duplicates the adapter controllers that control the hard drives. With mirroring the separate disks rely upon a common controller, so access to both copies of data is threatened if the controller fails. With duplexing, the duplicate controller(s) enables continued data access as long as one of the controllers continues to function. See also RAID.