The CONFIGURE command can be used to show or set parameter values.
RMAN includes a number of parameters which initially have default values.
The CONFIGURE command can be used to get or set parameter values.
The default values are as follows:
RMAN> SHOW ALL; CONFIGURE RETENTION POLICY TO REDUNDANCY 1; CONFIGURE BACKUP OPTIMIZATION OFF; CONFIGURE DEFAULT DEVICE TYPE TO DISK; CONFIGURE CONTROLFILE AUTOBACKUP OFF; CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; CONFIGURE MAXSETSIZE TO UNLIMITED; CONFIGURE ENCRYPTION FOR DATABASE OFF; CONFIGURE ENCRYPTION ALGORITHM 'AES128'; CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE; CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/snapcf_TEST.f'; # default
To set a configuration parameter use the CONFIGURE command. For example:
RMAN> CONFIGURE BACKUP OPTIMIZATION OFF;
To unset a configuration parameter use the CLEAR keyword. For example:
RMAN> CONFIGURE BACKUP OPTIMIZATION CLEAR;
RMAN> CONFIGURE CHANNEL DEVICE TYPE DISK CLEAR;
Non-standard parameters can also be cleared. For example:
RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE DISK CLEAR;
Non-default configuration parameter values are reported in the V$RMAN_CONFIGURATION dynamic performance view.
In Oracle 11.2 this view has the following columns:
| Column Name | Data Type | Notes |
| CONF# | NUMBER |   |
| NAME | VARCHAR2(65) |   |
| VALUE | VARCHAR2(1025) |   |
In Oracle 11.2 V$RMAN_CONFIGURATION contains the following rows:
| Conf# | Name | Value |
| 1 | RETENTION POLICY | TO REDUNDANCY 1 |
| 2 | BACKUP OPTIMIZATION | OFF |
| 3 | DEFAULT DEVICE TYPE TO | DISK |
| 4 | CONFIGURE AUTOBACKUP | OFF |
| 5 | CONFIGURE AUTOBACKUP FORMAT FOR DEVICE TYPE | DISK TO '%F' |
| 6 | DEVICE TYPE | DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET |
| 7 | DATAFILE BACKUP COPIES FOR DEVICE TYPE | DISK TO 1 |
| 8 | ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE | DISK TO 1 |
| 9 | MAXSETSIZE TO | UNLIMITED |
| 10 | ENCRYPTION FOR DATABASE | OFF |
| 11 | ENCRYPTION ALGORITHM | 'AES128' |
| 12 | COMPRESSION ALGORITHM | 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE |
| 13 | ARCHIVELOG DELETION POLICY | TO NONE |