Here is the list of key RMAN commands that are used for Backup and related activities:
LIST Commands :
LIST Commands are generic RMAN commands that will show/list various types of information when executed within RMAN utility.
RMAN> list backup;
It lists all the backups taken using RMAN utility.
RMAN> list backup of database;
The above command lists out all the (individual) files that are in the backup.
RMAN> list backup of tablespace system;
The above command lists out all the files that are in the backup that belong to the tablespace ‘system’.
RMAN> list backup of control file;
The above command lists out all backups of the control file.
CONFIGURE Commands :
CONFIGURE commands in RMAN are used to configure/setup various initial settings:
RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY2;
The above commands indicates how many days the backup copies need to be retained. Default is 1 day.
RMAN> CONFIGURE RETENTION POLICY CLEAR;
The above command resets the Retention policy to the default value of 1 day.
CONFIGURE BACKUP OPTIMIZATION ON;
The above command verifies to make sure that identical files are NOT backed up to the device specified.
CONFIGURE BACKUP OPTIMIZATION CLEAR;
The above command resets the Optimization option to the default value.
SHOW Commands :
Show commands are used to show/display the configuration setting values.
RMAN> show all;
The above command shows all the current configuration settings on the screen.
RMAN> show retention policy;
The above command shows the current retention policy.
RMAN> show default device type;
The above command shows the default device type configured for backups.
RMAN> show datafile backup copies;
The above command shows the number of backup copies available in the target database.
BACKUP Commands :
Backup commands are the real commands which do the actual backup work.
RMAN> backup database;
The above command backs up the database (target).
RMAN> backup database include current controlfile plus archive log;
The above command backs up the target database and the current control file and archive log files.
REPORT Commands :
Report commands list/report specific information. The difference between report and list command is report command output is in a better format.
RMAN> report obsolete;
The above command reports which backups can be deleted.
DELETE Commands :
Delete commands delete/remove specific items from the server, repository catalog.
RMAN> delete obsolete;
The above command deletes all the backups that are older based on the retention policy setup.
