restore oracle database from rman backup with different name
restore oracle database from rman backup with different name
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Tags: Rman incremental backup incremental CumulativeRman not only can make the database, data files and other full-scale backup, but also can do incremental backup. Incremental backups have two major advantages:
Reduce the time of
Scenario Description:
A friend asked, MSSQLServer to restore the database backup to other machines is very convenient, basically is a fool operation, Oracle has control files, parameter files a pile of things,
Feel that the restoration is very complex; in fact, I took some time to simply demonstrate the case, friends,
Command: connecttarget (connecttargetsystemoracle @ ora10g. If the database does not exist, you can directly start it with startup under the rman command.
Command: connect target/(connect target system/oracle @ ora10g. If the database does not exist, you can directly start it with startup under the
The target database for Rman backup and recovery. It sets the storage location of the Backup files and automatically backs up the control files during Backup.
The target database for Rman
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
# Environment variables need to be configured well in advance Oracle_base,oracle_home,oracle_sid
# Oracle Default non-archive mode after installation
# init.sh need to restart the database during script execution
#init. Sh Script Execution Process:
# 1. Replace the 2 directory parameters with the oraclebackup.sh
# 2. Replace the ORACLE_BASE,ORACLE_HOME,ORACLE_SID 3 environment variables with the oracleback
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
1. Full database backup: Divided into archive and non-archive by archive mode
Archive mode
Open state, non-consistent backup
Off state, can be divided into consistency and non-conformance
Non-archive mode
Open, non-consistent backup invalid
Shutdown status, consistent backup
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 fol
1. Full database backup: Divided into archive and non-archive by archive mode
(1) Archiving mode
Open state, non-consistent backup
Off state, can be divided into consistency and non-conformance
(2) Non-archive mode
Open, non-consistent backup invalid
Shutdown status, consistent
STANDBYDORECOVERSPFILE# SET DB_FILE_NAME_CONVERT '','' ---- use this parameter for conversion if the data file path is different.# SET LOG_FILE_NAME_CONVERT '','' ---- use this parameter for conversion if the log file path is different.# SET SGA_MAX_SIZE 200 M ---- SET the SGA size# SET SGA_TARGET 125 MSET "db_unique_name" = "foou" COMMENT ''Is a duplicate''SET LOG_ARCHIVE_DEST_2 = "service = inst3 ASYNC R
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,
archivelog all delete input;
=============================================== Back up the entire database =====
1. full backup of the entire database ).
Just enter the command: backup database;
2. list backupset to view the specific back
Label:Small and medium-sized databases are characterized by less database concurrency, smaller database capacity, limited version functionality, and more than one instance of N. However, the loss level of the database can also be lost in 0 cases. Enterprises do not want to spend too much money and to ensure the reliable stability of the
RMAN backup full databaseBackup database; -- backup the entire databaseBackup database format '\ xxxxxx \ xxx _ % U'; -- backs up the entire database to the specified pathBackup tablespace users; --
are made every night. If a data disk for a database fails at Thursday 9:12, the site can:
1 Back up the current transaction log, (failure has occurred, how to back up the current transaction log?) )
2 Restore database backup starting from Sunday night;
3 Restore the diff
enterprise|oracle| Backup | data | database | problem
Cold Backup/Restore Oracle Databaseby Kayuk1. Backing Up the databaseBacks up all dbf, CTL, log files in the ORADATA\DB2 (the folder that the
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