觸發條件:
1. 當CONFIGURE CONTROLFILE AUTOBACKUP
OFF;時,僅備份數據文件1(system01.dbf)時會自動備份控制文件;
2. 當CONFIGURE CONTROLFILE AUTOBACKUP
ON;時,備份任意文件(數據文件/歸檔日誌)都會自動備份控制文件。
舉例:
RMAN> show all;
RMAN configuration parameters for database with db_unique_name
T11A are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK
TO '%F'; # default
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO
BACKUPSET; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; #
default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
# default
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE
'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO
'D:\ORA11G\ORASOFT\DATABASE\SNCFT11A.ORA'; # default
RMAN> backup datafile 1;
Starting backup at 05-JUN-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001
name=D:\ORA11G\ORADATA\T11A\SYSTEM01.DBF
channel ORA_DISK_1: starting piece 1 at 05-JUN-12
channel ORA_DISK_1: finished piece 1 at 05-JUN-12
piece
handle=D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151702_7WVDMHGW_.BKP
tag=TAG20120605T151702 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time:
00:00:15
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 05-JUN-12
channel ORA_DISK_1: finished piece 1 at 05-JUN-12
piece
handle=D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NCSNF_TAG20120605T151702_7WVDN1PN_.BKP
tag=TAG20120605T151702 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time:
00:00:01
Finished backup at 05-JUN-12
RMAN> list backup;
List of Backup Sets
===================
BS Key Type LV Size
Device Type Elapsed Time
Completion Time
------- ---- -- ---------- ----------- ------------
---------------
2
Full 186.25M
DISK
00:00:12
05-JUN-12
BP Key: 2 Status: AVAILABLE
Compressed: NO Tag:
TAG20120605T151702
Piece Name:
D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151702_7WVDMHGW_.BKP
List of Datafiles in backup set 2
File LV Type Ckp SCN
Ckp Time Name
---- -- ---- ---------- ---------
----
1
Full 664502
05-JUN-12
D:\ORA11G\ORADATA\T11A\SYSTEM01.DBF
BS Key Type LV Size
Device Type Elapsed Time
Completion Time
------- ---- -- ---------- ----------- ------------
---------------
3
Full 9.36M
DISK
00:00:04
05-JUN-12
BP Key: 3 Status: AVAILABLE
Compressed: NO Tag:
TAG20120605T151702
Piece Name:
D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NCSNF_TAG20120605T151702_7WVDN1PN_.BKP
SPFILE Included: Modification time:
05-JUN-12
SPFILE db_unique_name: T11A
Control File Included: Ckp SCN: 664507
Ckp time:
05-JUN-12
RMAN> delete backup;
using channel ORA_DISK_1
List of Backup Pieces
BP Key BS Key Pc# Cp#
Status
Device Type Piece Name
------- ------- --- --- ----------- -----------
----------
2 2
1
1 AVAILABLE
DISK
D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151702_7WVDMHGW_.BKP
3 3
1
1 AVAILABLE
DISK
D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NCSNF_TAG20120605T151702_7WVDN1PN_.BKP
Do you really want to delete the above objects (enter YES or
NO)? y
deleted backup piece
backup piece
handle=D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151702_7WVDMHGW_.BKP
RECID=2 STAMP=785171823
deleted backup piece
backup piece
handle=D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NCSNF_TAG20120605T151702_7WVDN1PN_.BKP
RECID=3 STAMP=785171841
Deleted 2 objects
RMAN> backup datafile 2;
Starting backup at 05-JUN-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00002
name=D:\ORA11G\ORADATA\T11A\SYSAUX01.DBF
channel ORA_DISK_1: starting piece 1 at 05-JUN-12
channel ORA_DISK_1: finished piece 1 at 05-JUN-12
piece
handle=D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151753_7WVDO1TY_.BKP
tag=TAG20120605T151753 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time:
00:00:15
Finished backup at 05-JUN-12
RMAN> list backup;
List of Backup Sets
===================
BS Key Type LV Size
Device Type Elapsed Time
Completion Time
------- ---- -- ---------- ----------- ------------
---------------
4
Full 132.41M
DISK
00:00:08
05-JUN-12
BP Key: 4 Status: AVAILABLE
Compressed: NO Tag:
TAG20120605T151753
Piece Name:
D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151753_7WVDO1TY_.BKP
List of Datafiles in backup set 4
File LV Type Ckp SCN
Ckp Time Name
---- -- ---- ---------- ---------
----
2
Full 664556
05-JUN-12
D:\ORA11G\ORADATA\T11A\SYSAUX01.DBF
RMAN> delete backup;
using channel ORA_DISK_1
List of Backup Pieces
BP Key BS Key Pc# Cp#
Status
Device Type Piece Name
------- ------- --- --- ----------- -----------
----------
4 4
1
1 AVAILABLE
DISK
D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151753_7WVDO1TY_.BKP
Do you really want to delete the above objects (enter YES or
NO)? y
deleted backup piece
backup piece
handle=D:\ORA11G\FLASH_RECOVERY_AREA\T11A\BACKUPSET\2012_06_05\O1_MF_NNNDF_TAG20120605T151753_7WVDO1TY_.BKP
RECID=4 STAMP=785171873
Deleted 1 objects