Rman can be used to back up primary or standby databases, such as tablespaces, data files, archive logs, control files, server files, and backup sets.
4.1 File copies
Copies of the original file, somewhat similar to OS hot backup, can copy the entire data file to another location, but the result is only written to the hard drive, and separate files are separate
Note: Rman backup (supports SPFile-based backup only and does not support Init.ora configuration-based backups)exercise: Turn on Archivelog mode1\ For archived redo logs are referred to FRA and separate archive log target SQL>Show parameter db_recovery_file_dest; SQL>AlterSystemSetDb_recovery_file_dest_size=2G; SQL>AlterSystemSetDb_recovery_file_dest='/u01/app/or
1. Check the database mode:Sqlplus/nologConn/As sysdbaArchive log list (check whether the database is in archive Mode)
If not, the database archive mode is modified.Startup MountAlter database archivelogAlter database open
2. connect to the target database
Command: connect target/(connect target system/Oracle @ ora10g. If the database does not exist, run the RMAN command to start the database using startup)You can connect to the target database. (
Tags: name error technology share replacement how to query Flash recovery free related informationOracle 11g R2 Rman BackupDefinition and classification of backup and recovery Definition and classification of backup: 备份就是把数据库复制到转储设备的过程。其中,转储设备是指用于放置数据库副本的磁带或磁盘。通常也将存放于转储设备中的数据库的副本称为原数据库的备份或转储。备份是一份数据副本,从不同的角度分类如下: From a physical and logical point of view: Fr
RMAN backup scheme RMAN backup archive mode damages (loss) multiple data files, restores the entire database 1. connects to the database, creates a test table, and inserts records
SQL * Plus: Release 8.1.6.0.0-Production on Tue May 6 13:46:32 2003 oracle training (c) Copyright 1999 Oracle Corporation. all rights reserv
Oracle RMAN backup and Restoration
RMAN supports Incremental Backup: databases, tablespaces, and data files.
Only used blocks can be backed up as backup set
Ing between tablespaces and data files: dba_data_files/v $ datafile_header
In noarchivelog mode, you can use
During the Rman machine recovery process, I first made an incomplete recovery, and then recovered when prompted by the error:Starting restore at 29-dec-15Using channel Ora_disk_1RMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE, STACK follows ===============RMAN-00571: ================================
I. Problem Description
OS: RedHat 5.8
Database: 11.2.0.3
2 node RAC.
When using RMAN for backup, the following error is reported:
ORA-00245: control file backup failed; target is likely on a local file system
This issue only exists in RAC environments after Oracle 11gr2.
2. ORA-245 trigger conditions
ORA-00245 errors may occur in five of the following environme
This article describes how Oracle uses odu to verify rman backup to process command instances for truncate object backup. If you need rman backup, you can refer to this article.
By Digging data files before and after rman
After the Rman backup and after the backup of the data files, learned that the process of Rman backup ODU, the majority of TRUNCATE TABLE raw data is not properly backed up (why the vast majority, I can not explain), here you can see the
The target database version is oracle8.1.7, the directory database version is oracle9.2.0, and all data files (including control files and On-line log files) are lost. Examples of using RMAN for backup and recovery are as follows:
Tutorial steps:
1. Create a tablespace in the directory database to restore the directory:
SQL> Create tablespace rmants datafile '/opt/Oracle/DB02/oradata/orcl/rmants. dbf' size
Tags: redo content orm Pre base class make Device tabStep 1:create the Incremental Backuprman> BACKUP DEVICE TYPE DISK INCREMENTAL from SCN 750983 DATABASE
FORMAT '/tmp/incr_for_standby/bkup_%u ';Step 2:make the Incremental Backup Accessible at the Standby DatabaseFTP or SCP copy incremental backup to standby sideStep 3:catalog the Incremental
Tags: RMAN ORACLE zhangIntroduction: Welcome to add QQ Exchange 1445696451 Weibo address http://blog.51cto.com/13434336~~~~~~~ Split~~~~~~Database backup and recovery is what the database administrator must master. No system can be protected from physical damage to the hard disk, careless user error operations, or potential disasters that could threaten to store data. In order to maximize the recovery of da
RMANYou don't need to talk about it. Just run the command .....1. Create RMAN catalogRMAN can use the control file to store the backup metadata of RMAN, or you can configure catalog to storeBackupInformation. In general, it is bestDatabaseConfigure catalog to manage RMAN backup
Example of using RMAN to create a backup set for Oracle11g backup and recovery
Oracle 11 GB backup and recovery example of using RMAN to create backup Sets
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Tags: oracle rman rman-03009 ora-19587 ora-27072Host: Rhel 6.8Database version: Oracle 11.2.0.4 RACIn the recent Oracle database patrol, we found that there was a problem in the Rman backup of a city, the backup node RAC2 the database server with Oracle, and performed the
Usage type: the system load is concentrated in a certain period of time, such as 8 hours during the day, and is usually idle at night. Therefore, data can be backed up at night.
It corresponds to full-Database Backup:
Http://blog.csdn.net/jacson_bai/article/details/39636915
1. env:IP Address: 10.244.171.180/181Oracle Database Oracle 11.2.0.3OS RHEL 5.5Backup toos: rman, Shell, crontab
2.
---------- Full backup -----------Backup set: block backup used in data filesImage copy: a complete copy of all data files.---------- Incremental Backup -----------A backup of a database that has changed since a specific time point. This time point can be the time point of t
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