Drop Standby Redo Log, How and Why?
Apply Lag Increasing After initiating data guard service by broker, we saw something unusual about redo applying. DGMGRL> show database ORCLSTB Database - ORCLSTB … Read More »Drop Standby Redo Log, How and Why?
Real-Time Apply
How to Build Asymmetric Standby Database for Data Guard
Asymmetric Data Guard Usually we build data guard environments with the symmetric architecture design on primary and standby servers, that is, single-instance to single-instance or… Read More »How to Build Asymmetric Standby Database for Data Guard
How to Resolve MRP0 WAIT_FOR_LOG in Real Time Apply Service
The default behavior of the broker is to start the real-time apply once the standby database is running. But sometimes, you will see an increasing… Read More »How to Resolve MRP0 WAIT_FOR_LOG in Real Time Apply Service