Resolving Data Guard Standby Gaps Using RMAN FROM SERVICE in Oracle 19c
Network-Based Restore and Recovery OverviewIn Oracle Data Guard environments, archivelog gaps can occur when primary archives are deleted before the standby database receives them, halting the redo apply process. Traditionally, resolving this required taking an incremental backup on the primary based on the standby's current SCN, transferring i ...
Posted on Sat, 25 Jul 2026 16:44:30 +0000 by cleanice
Oracle RMAN Backup and Recovery Fundamentals
Overview of RMAN
RMAN (Recovery Manager) performs physical backups and supports point-in-time recovery. It operates in two database modes:
Archivelog mode: Allows both offfline (cold) and online (hot) backups.
Noarchivelog mode: Only offline backups are permitted.
Using RMAN
Connect to the target database from the server:
rman target /
# or w ...
Posted on Fri, 26 Jun 2026 17:02:46 +0000 by AKalair
Understanding Oracle Database Incarnation: Hands-On Recovery Experiments
Database incarnation represents a distinct version of a database that originates from a specific RESETLOGS operation. Each time a database is opened with RESETLOGS, Oracle creates a new incarnation, which fundamentally changes how recovery operations work across different database versions.
Official Documentation Overview
According to Oracle's ...
Posted on Tue, 09 Jun 2026 17:34:29 +0000 by Khrysller