1、列举出已经备份过的备份集
RMAN> list backup; List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 1 Full 1.05G DISK 00:00:43 19-MAR-13 BP Key: 1 Status: AVAILABLE Compressed: NO Tag: TAG20130319T154228 Piece Name: /u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_nnndf_TAG20130319T154228_8nj5q5sd_.bkp List of Datafiles in backup set 1 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 1 Full 1194625 19-MAR-13 /u01/oradata/poli/system01.dbf 2 Full 1194625 19-MAR-13 /u01/oradata/poli/sysaux01.dbf 3 Full 1194625 19-MAR-13 /u01/oradata/poli/undotbs01.dbf 4 Full 1194625 19-MAR-13 /u01/oradata/poli/users01.dbf 5 Full 1194625 19-MAR-13 /u01/oradata/poli/example01.dbf BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 2 Full 9.33M DISK 00:00:02 19-MAR-13 BP Key: 2 Status: AVAILABLE Compressed: NO Tag: TAG20130319T154228 Piece Name: /u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_ncnnf_TAG20130319T154228_8nj5ro16_.bkp Control File Included: Ckp SCN: 1194643 Ckp time: 19-MAR-13 BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 3 Full 9.33M DISK 00:00:01 19-MAR-13 BP Key: 3 Status: AVAILABLE Compressed: NO Tag: TAG20130319T155246 Piece Name: /u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_ncnnf_TAG20130319T155246_8nj6bhrd_.bkp Control File Included: Ckp SCN: 1194878 Ckp time: 19-MAR-13 BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 4 Full 9.33M DISK 00:00:03 21-MAR-13 BP Key: 4 Status: AVAILABLE Compressed: NO Tag: TAG20130321T182034 Piece Name: /u01/flash_recovery_area/POLI/autobackup/2013_03_21/o1_mf_n_810670834_8noqqnd0_.bkp Control File Included: Ckp SCN: 1253212 Ckp time: 21-MAR-13 BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 5 Full 1.07G DISK 00:01:20 23-MAR-13 BP Key: 5 Status: AVAILABLE Compressed: NO Tag: TAG20130323T151740 Piece Name: /u01/arcerzhang/poli_05o58kok_1_1 List of Datafiles in backup set 5 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 1 Full 1330610 23-MAR-13 /u01/oradata/poli/system01.dbf 2 Full 1330610 23-MAR-13 /u01/oradata/poli/sysaux01.dbf 3 Full 1330610 23-MAR-13 /u01/oradata/poli/undotbs01.dbf 4 Full 1330610 23-MAR-13 /u01/oradata/poli/users01.dbf 5 Full 1330610 23-MAR-13 /u01/oradata/poli/example01.dbf 6 Full 1330610 23-MAR-13 /u01/oradata/expimp01.dbf BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 6 Full 9.33M DISK 00:00:00 23-MAR-13 BP Key: 6 Status: AVAILABLE Compressed: NO Tag: TAG20130323T151909 Piece Name: /u01/flash_recovery_area/POLI/autobackup/2013_03_23/o1_mf_n_810832749_8ntovfoq_.bkp Control File Included: Ckp SCN: 1330652 Ckp time: 23-MAR-13
2、删除备份集1,2
RMAN> delete backupset 1,2; using channel ORA_DISK_1 List of Backup Pieces BP Key BS Key Pc# Cp# Status Device Type Piece Name ------- ------- --- --- ----------- ----------- ---------- 1 1 1 1 AVAILABLE DISK /u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_nnndf_TAG20130319T154228_8nj5q5sd_.bkp 2 2 1 1 AVAILABLE DISK /u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_ncnnf_TAG20130319T154228_8nj5ro16_.bkp Do you really want to delete the above objects (enter YES or NO)? yes deleted backup piece backup piece handle=/u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_nnndf_TAG20130319T154228_8nj5q5sd_.bkp RECID=1 STAMP=810488549 deleted backup piece backup piece handle=/u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_ncnnf_TAG20130319T154228_8nj5ro16_.bkp RECID=2 STAMP=810488597 Deleted 2 objects
3、查看删除之后的备份集结果信息
RMAN> list backup; List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 3 Full 9.33M DISK 00:00:01 19-MAR-13 BP Key: 3 Status: AVAILABLE Compressed: NO Tag: TAG20130319T155246 Piece Name: /u01/flash_recovery_area/POLI/backupset/2013_03_19/o1_mf_ncnnf_TAG20130319T155246_8nj6bhrd_.bkp Control File Included: Ckp SCN: 1194878 Ckp time: 19-MAR-13 BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 4 Full 9.33M DISK 00:00:03 21-MAR-13 BP Key: 4 Status: AVAILABLE Compressed: NO Tag: TAG20130321T182034 Piece Name: /u01/flash_recovery_area/POLI/autobackup/2013_03_21/o1_mf_n_810670834_8noqqnd0_.bkp Control File Included: Ckp SCN: 1253212 Ckp time: 21-MAR-13 BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 5 Full 1.07G DISK 00:01:20 23-MAR-13 BP Key: 5 Status: AVAILABLE Compressed: NO Tag: TAG20130323T151740 Piece Name: /u01/arcerzhang/poli_05o58kok_1_1 List of Datafiles in backup set 5 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 1 Full 1330610 23-MAR-13 /u01/oradata/poli/system01.dbf 2 Full 1330610 23-MAR-13 /u01/oradata/poli/sysaux01.dbf 3 Full 1330610 23-MAR-13 /u01/oradata/poli/undotbs01.dbf 4 Full 1330610 23-MAR-13 /u01/oradata/poli/users01.dbf 5 Full 1330610 23-MAR-13 /u01/oradata/poli/example01.dbf 6 Full 1330610 23-MAR-13 /u01/oradata/expimp01.dbf BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 6 Full 9.33M DISK 00:00:00 23-MAR-13 BP Key: 6 Status: AVAILABLE Compressed: NO Tag: TAG20130323T151909 Piece Name: /u01/flash_recovery_area/POLI/autobackup/2013_03_23/o1_mf_n_810832749_8ntovfoq_.bkp Control File Included: Ckp SCN: 1330652 Ckp time: 23-MAR-13