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Mirroring - definitions

Mirroring - Replicating data on different computers or devices to provide backup or improved performance. In a storage sense, "mirroring" refers to duplicating data on multiple disk storage devices to provide backup in the event of a system failure. In an Internet sense, "mirroring" refers to replicating the contents of a Web site at another site to minimize load on the main server, or to speed up connectivity in a specific geographic region. (Gartner definition)

Source: The Data Governance Institute, 16 December 2009 11:26:00, External

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Mirroring/Replication is the automated process of writing data to two drives simultaneously. Mirroring is used to provide redundancy. If one drive fails, the redundant drive will continue to store the data and allow access to it. The failed drive can then be replaced and the drive set can be re-mirrored (RAID Level 1).

[Category=Geospatial ]

Recall, 02 September 2011 12:01:52, External

Data Quality Glossary.  A free resource from GRC Data Intelligence. For comments, questions or feedback: