This article was written by Skant Gupta and Joel Perez in Oracle OTN. Full Index of Oracle Cloud Articles: Sir.CloudDBaaSjoelperez Before starting to read, if you want to access others Oracle RMAN Cloud Articles, you can go here: #6 Oracle Cloud (DBaaS): Migrating Databases to Oracle Cloud Using RMAN Backup #11 Oracle Cloud (DBaaS): Migration “On-prem” database to Cloud Using […]
Articles Tagged: RMAN
RMAN Active Cloning From RAC TO RAC
Being an Oracle DBA we know that what is cloning? This technical definition gives you a correct idea of the cloning. RMAN has the ability to duplicate, or clone, a database from a backup or from an active database. It is possible to create a duplicate database on a remote server with the same file structure, […]
ORA-00245: Control File Backup Failed; Target is Likely on a Local File System
In alert log I got an issue ORA-00245: control file backup failed; target is likely on a local file system. Regarding this issue, I checked the snapshot control file location on rman prompt and observed that it was on local file system. In RAC environment, Snapshot control file backup location should be on a shared […]
Categories of Failures in Oracle Database
Today we are going to have look on Categories of Failures in Oracle Database. This information helps to DBA solve the issue as soon as possible. Statement Failure Statement failure transpires when there is a logical failure in the handling of a statement in an Oracle program. If a statement failure occurs, then the Oracle software or operating […]
Recover corrupted data blocks using DBVERIFY
As we know that SYSTEM – stores the data dictionary. Being an Oracle DBA we all know the importance of SYSTEM tablespace. In these below lines, we can have actual technical knowledge about system’s information. SYSTEM – a tablespace that is always used to store SYSTEM data that includes data about tables, indexes, sequences, and other objects – this metadata […]
Restore the spfile while using the FRA & not using Recovery Catalog
Today we are going to learn about recovery with rman for loss of spfile. As we know that RMAN can be used either with or without a recovery catalog. A recovery catalog is a schema stored in a database that tracks backups and stores scripts for use in RMAN backup and recovery situations. Generally, a skillful DBA […]
Monitoring RMAN Backup with QBR tools
The Quest Backup Reporter is a windows client application. It can connect too many databases at a time and reports directly from oracle data dictionary views and RMAN catalog. It does not make any modification to either database as well as RMAN configuration. It is just a read only reporting tools. Quest Backup Reporter tools […]
COMPRESSED INCREMENTAL BACKUP
We need compressed full and incremental backup to apply in standby site and for make restoration faster INCREMENTAL LEVEL 0 BACKUP RUN { BACKUP AS COMPRESSED BACKUPSET INCREMENTAL LEVEL 0 DATABASE PLUS ARCHIVELOG; DELETE NOPROMPT ARCHIVELOG ALL BACKED UP 1 TIMES TO DISK; } INCREMENTAL LEVEL 1 BACKUP RUN { BACKUP AS COMPRESSED BACKUPSET INCREMENTAL […]
RECOVER ORACLE DATAFILES WITH NO DOWNTIME
What will happen if dbf file accidentally deleted when the database is still open and how to recover it? On Unix/Linux, when a file is deleted, but a process still has the file open, the file is still there in the filesystem, and only the inode is removed. But the process can continue to use […]
Rman Backup In Multitenant Database Oracle 12c
Introduction: – As a DBA we all familiar with the backup commands. In the latest database of Oracle, we find some different commands we must keep it in mind how to take backup. In this article, we are going to know about the Rman Backup In Multitenant Database Oracle 12c.With multitenant feature introduced in oracle 12c, […]