All of the Oracle databases, whether physical or logical, must be created as a physical standby first. The tools used to create the standby are RMAN, Data Guard Broker, or Oracle Grid Control. Steps must be completed on both primary and standby servers. However, the steps on the primary database need to be done only […]
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The different modes of setup for Oracle 12c Data Guard allow for different configurations that are adaptive and that are dependent on available hardware, processes, and ultimately business needs. The modes for the Data Guard configuration include maximum protection, maximum availability, and maximum performance. The Data Guard configuration can also have more than one standby […]
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In Oracle 11gR2, the Oracle Data Guard Broker publishes Fast Application Notification (FAN) events (via Oracle Notification Service, or ONS), allowing for clients to be notified in the event of a failover. Learn more.
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Fast-Start Failover enables the Oracle Data Guard broker to failover a failed primary database automatically to a predetermined standby database, which can help increase the availability of the database. Learn more.
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Oracle Data Guard Broker enhances Oracle RAC by providing apply instance failover for Oracle RAC standby databases. Learn more.
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Learn why a proper database backup and recovery strategy requires that we first instill in our minds that a full database restore and recovery must be avoided at all costs!
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A database can operate in one of two modes in an Oracle Data Guard configuration: primary or standby. There are two methods to change the roles: switchover and failover. Learn more.
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Learn what happens during a simple network disconnect between a primary and standby database in an Oracle Data Guard implementation.
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What happens on a secondary site when Oracle Data Guard log transport services ship redo data to it from the primary, and what considerations should be made when creating the standby redo logs?
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Oracle Data Guard log transport services allow us to effectively able to ship changes generated on the primary database to a secondary site and determine the level of data protection for our database. Learn more.
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The overall layout of a Oracle Data Guard configuration is dependent on what business requirements must be satisfied by the configuration. Learn more.
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