Oracle Data Guard Monitoring Queries – Complete Oracle DBA Monitoring Guide
Oracle Data Guard is one of the most powerful disaster recovery and high availability solutions available for Oracle Databases. It enables organizations to maintain synchronized standby databases that can be activated quickly in the event of a primary database failure, planned maintenance activity, or disaster recovery scenario. While configuring Oracle Data Guard is relatively straightforward for experienced DBAs, maintaining a healthy Data Guard environment requires continuous monitoring. Archive log transport failures, apply lag, archive gaps, recovery process issues, and network problems can all compromise your disaster recovery strategy if they are not detected promptly. In this comprehensive Oracle DBA guide, we will cover the most important Oracle Data Guard monitoring queries used in production environments to monitor: Primary Database Health Standby Database Health Archive Log Shipping Redo Apply Status Transport Lag Apply Lag Managed Recovery Process (MRP) Stand...