Oracle Active Data Guard ensures high availability, data protection, and disaster recovery for enterprise data. Survive disasters and data corruption while creating, maintaining, and managing one or more synchronized standby databases.
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Fully integrated into the Oracle Database, Data Guard and Active Data Guard’s architectural advantages provide superior data protection and availability for the Oracle Database compared to the increased risks of storage replication techniques.
Implement Oracle Data Guard best practices to achieve minimal downtime and zero data loss for unplanned outages.
Autonomous Data Guard provides a fully managed high-availability and disaster- recovery configuration across availability domains (ADs) with the simple click of a button or REST API call to enable it.
Oracle Data Guard’s automation manages one or more synchronized copies of a live database—providing zero data loss in the case of an unexpected outage of the primary database.
In-memory redo replication ensures isolation from underlying corruption such as disk corruption and includes automatic comprehensive validation of replicated data blocks.
Data Guard provides three different protection modes that allow data replication flexibility to balance data loss protection and performance.
Real-time query and data manipulation language uses the standby database for queries, reports, and occasional updates without impacting the primary database
Fast-start failover allows the Oracle Data Guard broker to automatically failover to a standby database without the need for human intervention.
Provides automatic and user-transparent recovery of a corrupted database from the standby database.
Achieve zero data loss across any distance in the event of site failure—with no network latency.
Masks outages from end-users and applications by recovering in-flight database transactions following recoverable outages.
Reduces downtime for database version upgrades without the complexity of adding extra software to the system.
GDS provides load balancing for connection requests ,distributing service management across multiple replicated databases and enables connections depending on read or read/write workload for Active Data Guard.
Oracle Sharding maximizes the ability to horizontally partition and distribute data geographically, providing greatly enhanced scalability and fault isolation.
Oracle Data Guard offers data protection and availability across data centers or the cloud.
Automates the management of synchronized copies of a live database and is included with Oracle Database Enterprise Edition.
Failover automation ensures a seamless transition from the primary database to a synchronized standby database in cases of failure, while ensuring database availability by replaying uncommitted in-flight transactions.
Full upgrade automation with minimal downtime via rolling database version upgrades without the complexity of adding extra software to the system.
Zero data loss is achieved when utilizing Far Sync even over configurations where the primary and standby databases are distributed over long geographical distances without risking application performance.