RMAN commands in Oracle CDB or NON CDB
1. Connect with RMAN :
% rman
RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"
2. Check the default configuration of RMAN and you can change it with configure commands as follows:
SHOW ALL;
-- increase the parallelism to 4
CONFIGURE DEVICE TYPE disk PARALLELISM 4;
-- Configure the device type
CONFIGURE DEFAULT DEVICE TYPE TO sbt;
-- configure the format of naming convention.
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT '/disk1/%U', '/disk2/%U';
--increase the copies of backup
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;
3. Back up the database, NON-CDB, CDB or PDB.
--Backup only data files
Backup database;
--Backup whole database with archive and control file
BACKUP DATABASE PLUS ARCHIVELOG INCLUDE CURRENT CONTROLFILE
--Backup whole database plus archive
BACKUP DATABASE PLUS ARCHIVELOG;
--Backup tablespacee
BACKUP TABLESPACE users, tools;
--Backup datafiles
BACKUP DATAFILE 1,2,3,4;
--Backup controlfile
BACKUP CURRENT CONTROLFILE;
--Backup as copy controlfile.
BACKUP AS COPY CURRENT CONTROLFILE FORMAT '/tmp/control01.ctl';
--Backup spfile
BACKUP DEVICE TYPE sbt SPFILE;
--Backup up whole CDB
BACKUP DATABASE PLUS ARCHIVELOG;
-- Backup up the root container:
BACKUP DATABASE ROOT;
-- Backup pluggable database
BACKUP PLUGGABLE DATABASE sales, hr;
--Backup pluggable database plus archive log
CONFIGURE CONTROLFILE AUTOBACKUP ON;
BACKUP PLUGGABLE DATABASE my_pdb PLUS ARCHIVELOG TAG mypdb_bkup;
--Backup application root
connect with application root with RMAN
BACKUP DATABASE ROOT;
4. Backup archive logs
--Backup archive log from range of sequence
BACKUP ARCHIVELOG FROM SEQUENCE 121 UNTIL SEQUENCE 125;
--Backup all archive logs
BACKUP ARCHIVELOG ALL;
--Backup archive log in time range.
BACKUP ARCHIVELOG FROM TIME 'SYSDATE-30' UNTIL TIME 'SYSDATE-7';
--Backup archive log which is not backup 2 times
BACKUP ARCHIVELOG ALL NOT BACKED UP 2 TIMES;
--Backup archive log on tape drive with delete option
BACKUP DEVICE TYPE sbt ARCHIVELOG ALL DELETE ALL INPUT;
5. Image copy of the database as files present.
BACKUP AS COPY DATABASE;
6. Validating Database Files and Backups.
BACKUP VALIDATE CHECK LOGICAL DATABASE ARCHIVELOG ALL;
7. Listing Backups:
-- List backup summary
LIST BACKUP SUMMARY
--List backup
List backup;
--List backup of pluggable database
LIST BACKUP OF PLUGGABLE DATABASE hr_pdb, sales_pdb;
--List backup by backup set
LIST BACKUP OF DATABASE BY BACKUP
-- List backup by backup file
LIST BACKUP BY FILE
-- Lists backups of all files in database
LIST BACKUP OF DATABASE;
--lists specified backup set
LIST BACKUPSET 213;
--Expired backup present in repository but not present in OS location.
LIST EXPIRED COPY
--Lists data file backups or copies that have status AVAILABLE in the RMAN repository
LIST BACKUP RECOVERABLE
--Example for specfic file backup
LIST BACKUP OF DATABASE;
LIST COPY OF DATAFILE 1, 2;
LIST BACKUP OF ARCHIVELOG FROM SEQUENCE 10;
LIST BACKUPSET OF DATAFILE 1;
-- List backup of datafile 5 summary
LIST BACKUP OF DATAFILE 5 SUMMARY;
--List incarnation of database orcl
LIST INCARNATION OF DATABASE orcl;
8. Reporting on Database Files and Backups
--report which file need backup according to retention policy.
REPORT NEED BACKUP;
REPORT NEED BACKUP REDUNDANCY n;
--report obsolete backup according to retention policy
REPORT OBSOLETE
--Report tablespace and datafile
REPORT SCHEMA
--REPORT UNRECOVERABLE
REPORT UNRECOVERABLE
9. Cross-checking Backups
CROSSCHECK command to synchronize the logical records of RMAN backups and copies with the files on storage media
CROSSCHECK BACKUP;
CROSSCHECK COPY;
10. Deleting Obsolete Backups
DELETE command removes RMAN backups and copies and updates the status ot DELETED in control file repository and recovery catalog.
--Delete backup which are not longer needed.
DELETE OBSOLETE;
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