rman backup

Analysis on the reason why the RMAN backup file is much larger than the database size When talking with the customer, the customer proposed that the database size is only 40 GB, but the file backed up by RMAN is 80 GB, And the DUMP file exported by expdp is less than 40 GB, I feel a little surprised. Isn't RMAN only ba

The rman backup script in the Oracle database is very practical. The rman backup script in the Oracle database is very practical. Query character sets SQL> select * from nls_database_parameters; NLS_CHARACTERSETAL32UTF8 Character Set is very important during backup, otherwis

This article describes how to use the Rman tool to automatically back up the control file dump and reply to the database when all the control files are lost; This article describes how to use the Rman tool to automatically back up the control file dump and reply to the database when all the control files are lost; This article describes how to use the Rman t

1. Rman Backup Script Location:/home/oracle./scripts/./bin-----Storing Rman scripts./log-----Store timed task execution logs2./bin Script Planning: Script Planning rmancfg.sh Rman parameter Configuration script Execute once inc0.sh

I received an email this morning and saw the failed rman recovery email sent by Master. The content is as follows: The data has been decompressed. Under/orabak/Oracle_bak However, an error is always reported when the backup file is read during restoration. Channel dev1: reading from backup piece/orabak/oracle_bak/fullrac_EPTDB_820_1_20130802 ORA-19870: error rea

Content Introduction: Two kinds of shell script detailed Operational actions to verify the validity of Rman backup sets Rman Backup Recovery experiment Operation Warfare Technique Often listen to some master said, to do a regular Oracle Database backup recovery experiment,

1. Backup; 1: connect to the target database: RMAN> connect target sys/sysray @ dB or RMAN target = sys/sysray @ DB 2: query the configuration of the target database; RMAN> show all; Modify the configuration as follows: Configure retention policy to redundancy 1; # defaultConfigure

Nocatalog Way: Use control file as the catalog, each backup to the control files to write a lot of backup information, control files there will be more and more backup information, that is, Rman backup information written in the local control file.Catalog Mode: You must firs

RMAN backup is easy to use for Oracle database backup and recovery, with low costs. For non-catalog mode, it is undoubtedly the first choice to embed the RMAN script into the shell script and then use crontab to back up small and medium databases. This document provides an easy-to-use

As an Oracle backup and recovery tool, RMAN provides us with powerful functions, including physical and logical detection of data files and validity detection of backup files. As an Oracle backup and recovery tool, RMAN provides us with powerful functions, including physical

Description It was meant to be no. The target library creates Dataguard tests from the target library backup set, and discovery is not possible in principle, but it has a very useful feature that enables fast Rman backup and machine recovery. Prior to the Rman backup from

database to achieve seamless connection, so as to avoid data loss caused by hardware faults. The following describes how to use the rman catalog method to simulate the upload uard to protect data to a greater extent based on the above situation. Small and Medium databases rman catalog Backup Recovery Solution Series: Backu