Mir Sayeed Hassan – Oracle Blog

Oracle DBA – Tips & Techniques | Learn with real-time examples

Archive for the 'RMAN' Category

Oracle 19c Tablespace Recovery for SYSTEM and Non-SYSTEM Datafiles

Posted by Mir Sayeed Hassan on 27th May 2026

Oracle 19c Tablespace Recovery for SYSTEM and Non-SYSTEM Datafiles Method 1   The database is running in ARCHIVELOG mode, and full RMAN backups are performed every night. In the morning, it was identified that the disk containing the SYSTEM datafile had failed. In this situation, there are two possible methods… Read more..

Posted in RMAN | No Comments »

Optimizing RMAN Backups to Minimize Database Performance Impact in Oracle Database

Posted by Mir Sayeed Hassan on 17th May 2026

Optimizing RMAN Backups to Minimize Database Performance Impact in Oracle Database Overview: Here we are discussing on Optimizing RMAN backups in Oracle database as it improves backup performance, reduces storage usage, and minimizes impact on production databases. An efficient RMAN strategy ensures faster backup and recovery operations, high availability,… Read more..

Posted in RMAN | No Comments »

Oracle RMAN Configuration for Optimizing Backup and Recovery using the RMAN Utility.

Posted by Mir Sayeed Hassan on 25th April 2026

Oracle RMAN Configuration for Optimizing Backup and Recovery using the RMAN Utility. Overview: The RMAN configuration parameters are set to default rules for performing the backup and recovery in Oracle databases using CONFIGURE commands and they control retention, backup type, device usage, and automation. therefore this settings are ensure consistent… Read more..

Posted in RMAN | Comments Off on Oracle RMAN Configuration for Optimizing Backup and Recovery using the RMAN Utility.

How to validate the database files for backup purpose in Oracle 19C Database.

Posted by Mir Sayeed Hassan on 16th February 2025

How to validate the database files for backup purpose in Oracle 19C Database. This is to validate the database files, in case if the backup is failing due to the any corruption of datafiles or control files etc. Issue the below command RMAN> validate database; Starting validate at 16-FEB-25 using target database control file instead… Read More

Posted in RMAN | Comments Off on How to validate the database files for backup purpose in Oracle 19C Database.

Backup and restore tablespace by using the RMAN ENCRYPTION Method in Oracle 19c

Posted by Mir Sayeed Hassan on 29th April 2023

Backup and restore tablespace by using the RMAN ENCRYPTION Method in Oracle 19c Login to Database. [oracle@testdb ~]$ sqlplus sys/testdb as sysdba SQL*Plus: Release 19.0.0.0.0 – Production on Tue Nov 8 04:03:38 2022 Version 19.3.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition… Read more..

Posted in RMAN | Comments Off on Backup and restore tablespace by using the RMAN ENCRYPTION Method in Oracle 19c

Backup and restore tablespace by using the RMAN ENCRYPTION Method in Oracle 19c

Posted by Mir Sayeed Hassan on 7th December 2022

Backup and restore tablespace by using the RMAN ENCRYPTION Method in Oracle 19c This scenario is to test the encryption method while performing the backup & restore operation. Connect to Database [oracle@testdb ~]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 – Production on Tue Nov 8 04:03:38 2022 Version 19.3.0.0.0 Copyright… Read more..

Posted in RMAN | Comments Off on Backup and restore tablespace by using the RMAN ENCRYPTION Method in Oracle 19c