手动删除RMAN备份的方法

查询

RMAN> list backup;

using target database control file instead of recovery catalog

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
37      Full    9.33M      DISK        00:00:00     29-MAY-15
        BP Key: 37   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135312
        Piece Name: /home/oracle/backup/20150529135121/ZGW_cntrl_42_1_42
  Control File Included: Ckp SCN: 1088993      Ckp time: 29-MAY-15

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
38      Full    592.95M    DISK        00:00:00     29-MAY-15
        BP Key: 38   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135134
        Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_18q85g77_1_1
  List of Datafiles in backup set 38
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  1       Full 1088865    29-MAY-15 /opt/oracle/oradata/zgw/system01.dbf
  4       Full 1088865    29-MAY-15 /opt/oracle/oradata/zgw/users01.dbf

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
39      Full    80.00K     DISK        00:00:00     29-MAY-15
        BP Key: 39   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135318
        Piece Name: /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak
  SPFILE Included: Modification time: 29-MAY-15
  SPFILE db_unique_name: ZGW

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
40      Full    398.51M    DISK        00:00:00     29-MAY-15
        BP Key: 40   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135134
        Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1
  List of Datafiles in backup set 40
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  2       Full 1088866    29-MAY-15 /opt/oracle/oradata/zgw/sysaux01.dbf
  3       Full 1088866    29-MAY-15 /opt/oracle/oradata/zgw/undotbs01.dbf

BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
41      1.50M      DISK        00:00:00     29-MAY-15
        BP Key: 41   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320
        Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984400_44

  List of Archived Logs in backup set 41
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    18      1087129    29-MAY-15 1088858    29-MAY-15

BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
42      723.50K    DISK        00:00:00     29-MAY-15
        BP Key: 42   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320
        Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984401_45

  List of Archived Logs in backup set 42
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    19      1088858    29-MAY-15 1089038    29-MAY-15

指定备份片序号删除

RMAN> delete backupset 37,38;

allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=36 device type=DISK

List of Backup Pieces
BP Key  BS Key  Pc# Cp# Status      Device Type Piece Name
------- ------- --- --- ----------- ----------- ----------
37      37      1   1   AVAILABLE   DISK        /home/oracle/backup/20150529135121/ZGW_cntrl_42_1_42
38      38      1   1   AVAILABLE   DISK        /home/oracle/backup/20150529135121/ZGW_20150529_18q85g77_1_1

Do you really want to delete the above objects (enter YES or NO)? y
deleted backup piece
backup piece handle=/home/oracle/backup/20150529135121/ZGW_cntrl_42_1_42 RECID=37 STAMP=880985777
deleted backup piece
backup piece handle=/home/oracle/backup/20150529135121/ZGW_20150529_18q85g77_1_1 RECID=38 STAMP=880985777
Deleted 2 objects

操作系统命令删除后

[[email protected]_2 20150529135121]$ ls
backupall_20150529135121.log  %_spfile_1bq85gae_1_1.bak  ZGW_20150529_19q85g78_1_1  ZGW_arc_880984400_44  ZGW_arc_880984401_45
[[email protected]_2 20150529135121]$ rm  ZGW_*
[[email protected]_2 20150529135121]$ ls
backupall_20150529135121.log  %_spfile_1bq85gae_1_1.bak
[[email protected]_2 20150529135121]$

查询

RMAN> list backup;

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
39      Full    80.00K     DISK        00:00:00     29-MAY-15
        BP Key: 39   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135318
        Piece Name: /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak
  SPFILE Included: Modification time: 29-MAY-15
  SPFILE db_unique_name: ZGW

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
40      Full    398.51M    DISK        00:00:00     29-MAY-15
        BP Key: 40   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135134
        Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1
  List of Datafiles in backup set 40
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  2       Full 1088866    29-MAY-15 /opt/oracle/oradata/zgw/sysaux01.dbf
  3       Full 1088866    29-MAY-15 /opt/oracle/oradata/zgw/undotbs01.dbf

BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
41      1.50M      DISK        00:00:00     29-MAY-15
        BP Key: 41   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320
        Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984400_44

  List of Archived Logs in backup set 41
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    18      1087129    29-MAY-15 1088858    29-MAY-15

BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
42      723.50K    DISK        00:00:00     29-MAY-15
        BP Key: 42   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320
        Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984401_45

  List of Archived Logs in backup set 42
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    19      1088858    29-MAY-15 1089038    29-MAY-15

检查并删除

RMAN> crosscheck backup; --检查备份物理文件状态

using channel ORA_DISK_1
crosschecked backup piece: found to be ‘AVAILABLE‘
backup piece handle=/home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak RECID=39 STAMP=880985777
crosschecked backup piece: found to be ‘EXPIRED‘
backup piece handle=/home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 RECID=40 STAMP=880985777
crosschecked backup piece: found to be ‘EXPIRED‘
backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984400_44 RECID=41 STAMP=880985777
crosschecked backup piece: found to be ‘EXPIRED‘
backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984401_45 RECID=42 STAMP=880985777
Crosschecked 4 objects

RMAN> list expired backup;  --查看检查结果

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
40      Full    398.51M    DISK        00:00:00     29-MAY-15
        BP Key: 40   Status: EXPIRED  Compressed: NO  Tag: TAG20150529T135134
        Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1
  List of Datafiles in backup set 40
  File LV Type Ckp SCN    Ckp Time  Name
  ---- -- ---- ---------- --------- ----
  2       Full 1088866    29-MAY-15 /opt/oracle/oradata/zgw/sysaux01.dbf
  3       Full 1088866    29-MAY-15 /opt/oracle/oradata/zgw/undotbs01.dbf

BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
41      1.50M      DISK        00:00:00     29-MAY-15
        BP Key: 41   Status: EXPIRED  Compressed: NO  Tag: TAG20150529T135320
        Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984400_44

  List of Archived Logs in backup set 41
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    18      1087129    29-MAY-15 1088858    29-MAY-15

BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
42      723.50K    DISK        00:00:00     29-MAY-15
        BP Key: 42   Status: EXPIRED  Compressed: NO  Tag: TAG20150529T135320
        Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984401_45

  List of Archived Logs in backup set 42
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    19      1088858    29-MAY-15 1089038    29-MAY-15

RMAN> delete expired backup;  --删除状态为expired的备份，expired是指物理文件不存在的备份集，obsolete指过期的备份集

using channel ORA_DISK_1

List of Backup Pieces
BP Key  BS Key  Pc# Cp# Status      Device Type Piece Name
------- ------- --- --- ----------- ----------- ----------
40      40      1   1   EXPIRED     DISK        /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1
41      41      1   1   EXPIRED     DISK        /home/oracle/backup/20150529135121/ZGW_arc_880984400_44
42      42      1   1   EXPIRED     DISK        /home/oracle/backup/20150529135121/ZGW_arc_880984401_45

Do you really want to delete the above objects (enter YES or NO)? y
deleted backup piece
backup piece handle=/home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 RECID=40 STAMP=880985777
deleted backup piece
backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984400_44 RECID=41 STAMP=880985777
deleted backup piece
backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984401_45 RECID=42 STAMP=880985777
Deleted 3 EXPIRED objects
delete expired backup 与 delete obsolete 比较。
RMAN> list backup;

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
39      Full    80.00K     DISK        00:00:00     29-MAY-15
        BP Key: 39   Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135318
        Piece Name: /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak
  SPFILE Included: Modification time: 29-MAY-15
  SPFILE db_unique_name: ZGW

RMAN> crosscheck backup;

using channel ORA_DISK_1
crosschecked backup piece: found to be ‘EXPIRED‘
backup piece handle=/home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak RECID=39 STAMP=880985777
Crosschecked 1 objects

RMAN> delete obsolete;  --只能删除过期备份

RMAN retention policy will be applied to the command
RMAN retention policy is set to recovery window of 7 days
using channel ORA_DISK_1
no obsolete backups found

RMAN> delete expired backup; --只能删除物理不存在的备份记录

using channel ORA_DISK_1

List of Backup Pieces
BP Key  BS Key  Pc# Cp# Status      Device Type Piece Name
------- ------- --- --- ----------- ----------- ----------
39      39      1   1   EXPIRED     DISK        /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak

Do you really want to delete the above objects (enter YES or NO)? y
deleted backup piece
backup piece handle=/home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak RECID=39 STAMP=880985777
Deleted 1 EXPIRED objects
时间： 2024-07-30 03:18:25

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