说说RMAN里的obsolete
RMAN> report obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
no obsolete backups found
RMAN> backup datafile 1;
Starting backup at 29-MAY-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u01/app/oracle/oradata/prod/system01.dbf
channel ORA_DISK_1: starting piece 1 at 29-MAY-14
channel ORA_DISK_1: finished piece 1 at 29-MAY-14
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/amp9g8sf_1_1 tag=TAG20140529T102934 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:25
Finished backup at 29-MAY-14
Starting Control File and SPFILE Autobackup at 29-MAY-14
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140529-00 comment=NONE
Finished Control File and SPFILE Autobackup at 29-MAY-14
RMAN> list backup of datafile 1;
List of Backup Sets
===================
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
504 Full 391.63M DISK 00:00:23 29-MAY-14
BP Key: 504 Status: AVAILABLE Compressed: NO Tag: TAG20140529T102934
Piece Name: /u01/app/oracle/product/10.2.0/db_1/dbs/amp9g8sf_1_1
List of Datafiles in backup set 504
File LV Type Ckp SCN Ckp Time Name
---- -- ---- ---------- --------- ----
1 Full 1588933 29-MAY-14 /u01/app/oracle/oradata/prod/system01.dbf
RMAN> backup datafile 1;
Starting backup at 29-MAY-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u01/app/oracle/oradata/prod/system01.dbf
channel ORA_DISK_1: starting piece 1 at 29-MAY-14
channel ORA_DISK_1: finished piece 1 at 29-MAY-14
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/aop9g8u0_1_1 tag=TAG20140529T103024 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:35
Finished backup at 29-MAY-14
Starting Control File and SPFILE Autobackup at 29-MAY-14
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140529-01 comment=NONE
Finished Control File and SPFILE Autobackup at 29-MAY-14
RMAN> list backup of datafile 1;
List of Backup Sets
===================
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
504 Full 391.63M DISK 00:00:23 29-MAY-14
BP Key: 504 Status: AVAILABLE Compressed: NO Tag: TAG20140529T102934
Piece Name: /u01/app/oracle/product/10.2.0/db_1/dbs/amp9g8sf_1_1
List of Datafiles in backup set 504
File LV Type Ckp SCN Ckp Time Name
---- -- ---- ---------- --------- ----
1 Full 1588933 29-MAY-14 /u01/app/oracle/oradata/prod/system01.dbf
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
506 Full 391.63M DISK 00:00:27 29-MAY-14
BP Key: 506 Status: AVAILABLE Compressed: NO Tag: TAG20140529T103024
Piece Name: /u01/app/oracle/product/10.2.0/db_1/dbs/aop9g8u0_1_1
List of Datafiles in backup set 506
File LV Type Ckp SCN Ckp Time Name
---- -- ---- ---------- --------- ----
1 Full 1588970 29-MAY-14 /u01/app/oracle/oradata/prod/system01.dbf
RMAN> report obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of obsolete backups and copies
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Backup Set 503 17-MAR-14
Backup Piece 503 17-MAR-14 /u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140317-0b
Backup Set 504 29-MAY-14
Backup Piece 504 29-MAY-14 /u01/app/oracle/product/10.2.0/db_1/dbs/amp9g8sf_1_1
Backup Set 505 29-MAY-14
Backup Piece 505 29-MAY-14 /u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140529-00
RMAN> backup datafile 1;
Starting backup at 29-MAY-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u01/app/oracle/oradata/prod/system01.dbf
channel ORA_DISK_1: starting piece 1 at 29-MAY-14
channel ORA_DISK_1: finished piece 1 at 29-MAY-14
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/aqp9g90p_1_1 tag=TAG20140529T103153 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:26
Finished backup at 29-MAY-14
Starting Control File and SPFILE Autobackup at 29-MAY-14
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140529-02 comment=NONE
Finished Control File and SPFILE Autobackup at 29-MAY-14
RMAN> report obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of obsolete backups and copies
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Backup Set 503 17-MAR-14
Backup Piece 503 17-MAR-14 /u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140317-0b
Backup Set 504 29-MAY-14
Backup Piece 504 29-MAY-14 /u01/app/oracle/product/10.2.0/db_1/dbs/amp9g8sf_1_1
Backup Set 505 29-MAY-14
Backup Piece 505 29-MAY-14 /u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140529-00
Backup Set 506 29-MAY-14
Backup Piece 506 29-MAY-14 /u01/app/oracle/product/10.2.0/db_1/dbs/aop9g8u0_1_1
Backup Set 507 29-MAY-14
Backup Piece 507 29-MAY-14 /u01/app/oracle/product/10.2.0/db_1/dbs/c-248862348-20140529-01
