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

------- ---- -- ---------- ----------- ------------ ---------------

      Full    9.33M      DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135312

        Piece Name: /home/oracle/backup//ZGW_cntrl_42_1_42

  Control File Included: Ckp SCN:       Ckp time: -MAY-

BS Key  Type LV Size       Device Type Elapsed Time Completion Time

------- ---- -- ---------- ----------- ------------ ---------------

      Full    592.95M    DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135134

        Piece Name: /home/oracle/backup//ZGW_20150529_18q85g77_1_1

  List of Datafiles in backup set

  File LV Type Ckp SCN    Ckp Time  Name

  ---- -- ---- ---------- --------- ----

         Full     -MAY- /opt/oracle/oradata/zgw/system01.dbf

         Full     -MAY- /opt/oracle/oradata/zgw/users01.dbf

BS Key  Type LV Size       Device Type Elapsed Time Completion Time

------- ---- -- ---------- ----------- ------------ ---------------

      Full    .00K     DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135318

        Piece Name: /home/oracle/backup//%_spfile_1bq85gae_1_1.bak

  SPFILE Included: Modification time: -MAY-

  SPFILE db_unique_name: ZGW

BS Key  Type LV Size       Device Type Elapsed Time Completion Time

------- ---- -- ---------- ----------- ------------ ---------------

      Full    398.51M    DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135134

        Piece Name: /home/oracle/backup//ZGW_20150529_19q85g78_1_1

  List of Datafiles in backup set

  File LV Type Ckp SCN    Ckp Time  Name

  ---- -- ---- ---------- --------- ----

         Full     -MAY- /opt/oracle/oradata/zgw/sysaux01.dbf

         Full     -MAY- /opt/oracle/oradata/zgw/undotbs01.dbf

BS Key  Size       Device Type Elapsed Time Completion Time

------- ---------- ----------- ------------ ---------------

      1.50M      DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320

        Piece Name: /home/oracle/backup//ZGW_arc_880984400_44

  List of Archived Logs in backup set

  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time

  ---- ------- ---------- --------- ---------- ---------

                -MAY-     -MAY-

BS Key  Size       Device Type Elapsed Time Completion Time

------- ---------- ----------- ------------ ---------------

      .50K    DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320

        Piece Name: /home/oracle/backup//ZGW_arc_880984401_45

  List of Archived Logs in backup set

  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time

  ---- ------- ---------- --------- ---------- ---------

                -MAY-     -MAY-

指定备份片序号删除

RMAN> delete backupset ,;

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID= device type=DISK

List of Backup Pieces

BP Key  BS Key  Pc# Cp# Status      Device Type Piece Name

------- ------- --- --- ----------- ----------- ----------

                  AVAILABLE   DISK        /home/oracle/backup//ZGW_cntrl_42_1_42

                  AVAILABLE   DISK        /home/oracle/backup//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//ZGW_cntrl_42_1_42 RECID= STAMP=

deleted backup piece

backup piece handle=/home/oracle/backup//ZGW_20150529_18q85g77_1_1 RECID= STAMP=

Deleted  objects

操作系统命令删除后

[oracle@Oracle11_2 ]$ ls

backupall_20150529135121.log  %_spfile_1bq85gae_1_1.bak  ZGW_20150529_19q85g78_1_1  ZGW_arc_880984400_44  ZGW_arc_880984401_45

[oracle@Oracle11_2 ]$ rm  ZGW_*

[oracle@Oracle11_2 ]$ ls

backupall_20150529135121.log  %_spfile_1bq85gae_1_1.bak

[oracle@Oracle11_2 ]$

查询

RMAN> list backup;

List of Backup Sets

===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time

------- ---- -- ---------- ----------- ------------ ---------------

      Full    .00K     DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135318

        Piece Name: /home/oracle/backup//%_spfile_1bq85gae_1_1.bak

  SPFILE Included: Modification time: -MAY-

  SPFILE db_unique_name: ZGW

BS Key  Type LV Size       Device Type Elapsed Time Completion Time

------- ---- -- ---------- ----------- ------------ ---------------

      Full    398.51M    DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135134

        Piece Name: /home/oracle/backup//ZGW_20150529_19q85g78_1_1

  List of Datafiles in backup set

  File LV Type Ckp SCN    Ckp Time  Name

  ---- -- ---- ---------- --------- ----

         Full     -MAY- /opt/oracle/oradata/zgw/sysaux01.dbf

         Full     -MAY- /opt/oracle/oradata/zgw/undotbs01.dbf

BS Key  Size       Device Type Elapsed Time Completion Time

------- ---------- ----------- ------------ ---------------

      1.50M      DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320

        Piece Name: /home/oracle/backup//ZGW_arc_880984400_44

  List of Archived Logs in backup set

  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time

  ---- ------- ---------- --------- ---------- ---------

                -MAY-     -MAY-

BS Key  Size       Device Type Elapsed Time Completion Time

------- ---------- ----------- ------------ ---------------

      .50K    DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135320

        Piece Name: /home/oracle/backup//ZGW_arc_880984401_45

  List of Archived Logs in backup set

  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time

  ---- ------- ---------- --------- ---------- ---------

                -MAY-     -MAY-

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//%_spfile_1bq85gae_1_1.bak RECID= STAMP=

crosschecked backup piece: found to be 'EXPIRED'

backup piece handle=/home/oracle/backup//ZGW_20150529_19q85g78_1_1 RECID= STAMP=

crosschecked backup piece: found to be 'EXPIRED'

backup piece handle=/home/oracle/backup//ZGW_arc_880984400_44 RECID= STAMP=

crosschecked backup piece: found to be 'EXPIRED'

backup piece handle=/home/oracle/backup//ZGW_arc_880984401_45 RECID= STAMP=

Crosschecked  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

------- ---- -- ---------- ----------- ------------ ---------------

      Full    398.51M    DISK        ::     -MAY-

        BP Key:    Status: EXPIRED  Compressed: NO  Tag: TAG20150529T135134

        Piece Name: /home/oracle/backup//ZGW_20150529_19q85g78_1_1

  List of Datafiles in backup set

  File LV Type Ckp SCN    Ckp Time  Name

  ---- -- ---- ---------- --------- ----

         Full     -MAY- /opt/oracle/oradata/zgw/sysaux01.dbf

         Full     -MAY- /opt/oracle/oradata/zgw/undotbs01.dbf

BS Key  Size       Device Type Elapsed Time Completion Time

------- ---------- ----------- ------------ ---------------

      1.50M      DISK        ::     -MAY-

        BP Key:    Status: EXPIRED  Compressed: NO  Tag: TAG20150529T135320

        Piece Name: /home/oracle/backup//ZGW_arc_880984400_44

  List of Archived Logs in backup set

  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time

  ---- ------- ---------- --------- ---------- ---------

                -MAY-     -MAY-

BS Key  Size       Device Type Elapsed Time Completion Time

------- ---------- ----------- ------------ ---------------

      .50K    DISK        ::     -MAY-

        BP Key:    Status: EXPIRED  Compressed: NO  Tag: TAG20150529T135320

        Piece Name: /home/oracle/backup//ZGW_arc_880984401_45

  List of Archived Logs in backup set

  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time

  ---- ------- ---------- --------- ---------- ---------

                -MAY-     -MAY-

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

------- ------- --- --- ----------- ----------- ----------

                  EXPIRED     DISK        /home/oracle/backup//ZGW_20150529_19q85g78_1_1

                  EXPIRED     DISK        /home/oracle/backup//ZGW_arc_880984400_44

                  EXPIRED     DISK        /home/oracle/backup//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//ZGW_20150529_19q85g78_1_1 RECID= STAMP=

deleted backup piece

backup piece handle=/home/oracle/backup//ZGW_arc_880984400_44 RECID= STAMP=

deleted backup piece

backup piece handle=/home/oracle/backup//ZGW_arc_880984401_45 RECID= STAMP=

Deleted  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

------- ---- -- ---------- ----------- ------------ ---------------

      Full    .00K     DISK        ::     -MAY-

        BP Key:    Status: AVAILABLE  Compressed: NO  Tag: TAG20150529T135318

        Piece Name: /home/oracle/backup//%_spfile_1bq85gae_1_1.bak

  SPFILE Included: Modification time: -MAY-

  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//%_spfile_1bq85gae_1_1.bak RECID= STAMP=

Crosschecked  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  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

------- ------- --- --- ----------- ----------- ----------

                  EXPIRED     DISK        /home/oracle/backup//%_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//%_spfile_1bq85gae_1_1.bak RECID= STAMP=

Deleted  EXPIRED objects

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手动删除RMAN备份的方法

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