While setting up a replication configuration, in which changes from a production or primary system are propagated to a standby or secondary system, is a fairly standard way to enable disaster recovery (DR) for business-critical databases, one of the important technology decisions that organizations must make upfront is the choice of the replication architecture, writes Ashish Ray, director of product management, high availability, at Oracle, in the current e-edition of Database Trends and Applications. Go here to read his assessment of the technical issues to be evaluated by organizations considering storage mirroring versus host mirroring architectures.

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