Keeping a standby database synchronized with its primary is critical for fast failover, reporting offload, and disaster recovery readiness. When archived redo transfer is slow, missing, or the standby has fallen behind significantly, an SCN-based incremental RMAN refresh is a fast, reliable way to bring the standby forward. This article provides a clear, step-by-step operational […]
This procedural article describes configuring a Snapshot Standby (Data Guard) and exercising the convert-to-snapshot / convert-back lifecycle. Follow the steps precisely and validate each checkpoint in your environment before proceeding. Step 1 — Verify roles on Primary and Standby On Primary: Sample output (Primary): On Standby: Sample output (Standby): Step 2 — Confirm archived log […]
In the journey toward resilient, high-availability database systems, Oracle continually evolves. With Oracle 19c, Data Guard gains a set of refined features that strengthen standby operations, simplify recovery, and improve manageability. In this post, we’ll explore the key new Data Guard features introduced in Oracle 19c and their operational impact. 1. Automatic Flashback of Standby […]
In the high-stakes world of database reliability, disaster recovery must be validated before it’s ever needed. With Oracle 19c’s Fast-Start Failover (FSFO) feature, you gain powerful automation for failover scenarios under Data Guard. But how do you test failover logic without impacting your production setup? The answer lies in Observe-Only Mode, and that is the […]