Oracle Data Guard | Engineering Wiki

Oracle Data Guard — Oracle's disaster-recovery and data-protection architecture for maintaining synchronized standby databases from a primary database.

Oracle Runtime Context

Data Guard design is a trade-off among protection mode, transport latency, redo apply lag, failover objectives, and operational complexity. RPO and RTO should be validated under real network and storage conditions rather than inferred from configuration alone.

redo transport
standby database
Fast-Start Failover
RPO

Oracle Runtime Context

Related Oracle Concepts