A Look at Database Mirroring

Tuesday Jul 17th 2007 by DatabaseJournal.com Staff
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One of the more interesting new technologies in SQL Server 2005 is database mirroring, allowing you to implement high availability on a database with commodity hardware. Jay Dave brings us a nice description of this technology.

[From SQL Server Central]

Database Mirroring is a major new technology for achieving high availability in SQL Server 2005. Database Mirroring operates at a database level and is configured on a database-by-database basis. The primary goal of database mirroring is to increase data availability and allow failover in case a server hosting the database becomes unavailable. So including Database Mirroring now we have 4 High Availability in SQL Server 2005 (1) Clustering (2) Log Shipping (3) Replication (Transactional) (4)Mirroring. I can say that Database Mirroring is Log Shipping with automatic failover per database & Clustering on database level without single point of failure without shared disk.

The article continues at http://www.sqlservercentral.com/columnists/jDave/3046.asp

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