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rman删除控制文件中以前的备份信息

分类： Oracle

2010-05-21 16:39:39

用rman备份，不适用catalog，如果备份路径发生了改变，需要catalog start with从新注册，但是控制文件中以前的备份信息还在，如何删除这些备份信息？如下：

RMAN> list backup;

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

BS Key Type LV Size
------- ---- -- ----------
1       Incr 0 726.37M
List of Datafiles in backup set 1
File LV Type Ckp SCN    Ckp Time            Name
---- -- ---- ---------- ------------------- ----
1    0 Incr 66023842   2010-05-04 12:43:40 /u00/oracle/standbydb/system01.dbf
2    0 Incr 66023842   2010-05-04 12:43:40 /u00/oracle/standbydb/undotbs01.dbf
3    0 Incr 66023842   2010-05-04 12:43:40 /u00/oracle/standbydb/sysaux01.dbf
4    0 Incr 66023842   2010-05-04 12:43:40 /u00/oracle/standbydb/users01.dbf
5    0 Incr 66023842   2010-05-04 12:43:40 /u00/oracle/standbydb/example01.dbf
7    0 Incr 66023842   2010-05-04 12:43:40 /u00/oracle/standbydb/rman.dbf
12   0 Incr 66023842   2010-05-04 12:43:40 /u00/oracle/standbydb/lizi.dbf

Backup Set Copy #1 of backup set 1
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:05:50 2010-05-06 04:25:07 NO TAG20100506T041916

    List of Backup Pieces for backup set 1 Copy #1
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    1       1   EXPIRED     /u00/dbbackup/221-back/01lcvgi5_1_1

Backup Set Copy #2 of backup set 1
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:05:50 2010-05-11 09:01:38 NO TAG20100506T041916

    List of Backup Pieces for backup set 1 Copy #2
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    7       1   EXPIRED     /u00/dbbackup/221--back/01lcvgi5_1_1

BS Key Type LV Size
------- ---- -- ----------
2 Incr 0 7.11M
Control File Included: Ckp SCN: 66023842 Ckp time: 2010-05-04 12:43:40
SPFILE Included: Modification time: 2010-05-06 04:17:27

Backup Set Copy #1 of backup set 2
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:00:06 2010-05-06 04:25:22 NO TAG20100506T041916

    List of Backup Pieces for backup set 2 Copy #1
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    2       1   EXPIRED     /u00/dbbackup/221-back/02lcvgtc_1_1

Backup Set Copy #2 of backup set 2
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:00:06 2010-05-11 09:01:41 NO TAG20100506T041916

    List of Backup Pieces for backup set 2 Copy #2
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    8       1   EXPIRED     /u00/dbbackup/221--back/02lcvgtc_1_1

BS Key Type LV Size
------- ---- -- ----------
3       Incr 1 80.00K
List of Datafiles in backup set 3
File LV Type Ckp SCN    Ckp Time            Name
---- -- ---- ---------- ------------------- ----
1    1 Incr 66023843   2010-05-07 08:48:14 /u00/oracle/standbydb/system01.dbf
2    1 Incr 66023843   2010-05-07 08:48:14 /u00/oracle/standbydb/undotbs01.dbf
3    1 Incr 66023843   2010-05-07 08:48:14 /u00/oracle/standbydb/sysaux01.dbf
4    1 Incr 66023843   2010-05-07 08:48:14 /u00/oracle/standbydb/users01.dbf
5    1 Incr 66023843   2010-05-07 08:48:14 /u00/oracle/standbydb/example01.dbf
7    1 Incr 66023843   2010-05-07 08:48:14 /u00/oracle/standbydb/rman.dbf
12   1 Incr 66023843   2010-05-07 08:48:14 /u00/oracle/standbydb/lizi.dbf

Backup Set Copy #1 of backup set 3
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:06:03 2010-05-07 08:57:48 NO TAG20100507T085144

    List of Backup Pieces for backup set 3 Copy #1
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    3       1   EXPIRED     /u00/dbbackup/221-back/03ld2kt1_1_1

Backup Set Copy #2 of backup set 3
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:06:03 2010-05-11 09:01:38 NO TAG20100507T085144

    List of Backup Pieces for backup set 3 Copy #2
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    6       1   EXPIRED     /u00/dbbackup/221--back/03ld2kt1_1_1

BS Key Type LV Size
------- ---- -- ----------
4 Incr 1 7.11M
Control File Included: Ckp SCN: 66023979 Ckp time: 2010-05-07 08:48:38
SPFILE Included: Modification time: 2010-05-07 08:50:33

Backup Set Copy #1 of backup set 4
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:00:05 2010-05-07 08:57:57 NO TAG20100507T085144

    List of Backup Pieces for backup set 4 Copy #1
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    4       1   EXPIRED     /u00/dbbackup/221-back/04ld2l8g_1_1

Backup Set Copy #2 of backup set 4
Device Type Elapsed Time Completion Time Compressed Tag
----------- ------------ ------------------- ---------- ---
DISK 00:00:05 2010-05-11 09:01:39 NO TAG20100507T085144

    List of Backup Pieces for backup set 4 Copy #2
    BP Key Pc# Status      Piece Name
    ------- --- ----------- ----------
    5       1   EXPIRED     /u00/dbbackup/221--back/04ld2l8g_1_1

RMAN> crosscheck backup;

using channel ORA_DISK_1
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221-back/01lcvgi5_1_1 recid=1 stamp=718258757
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221--back/01lcvgi5_1_1 recid=7 stamp=718707697
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221-back/02lcvgtc_1_1 recid=2 stamp=718259118
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221--back/02lcvgtc_1_1 recid=8 stamp=718707699
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221-back/03ld2kt1_1_1 recid=3 stamp=718361505
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221--back/03ld2kt1_1_1 recid=6 stamp=718707695
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221-back/04ld2l8g_1_1 recid=4 stamp=718361874
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u00/dbbackup/221--back/04ld2l8g_1_1 recid=5 stamp=718707695
Crosschecked 8 objects

RMAN> DELETE EXPIRED BACKUP;

using channel ORA_DISK_1

List of Backup Pieces
BP Key BS Key Pc# Cp# Status      Device Type Piece Name
------- ------- --- --- ----------- ----------- ----------
1       1       1   1   EXPIRED     DISK        /u00/dbbackup/221-back/01lcvgi5_1_1
7       1       1   2   EXPIRED     DISK        /u00/dbbackup/221--back/01lcvgi5_1_1
2       2       1   1   EXPIRED     DISK        /u00/dbbackup/221-back/02lcvgtc_1_1
8       2       1   2   EXPIRED     DISK        /u00/dbbackup/221--back/02lcvgtc_1_1
3       3       1   1   EXPIRED     DISK        /u00/dbbackup/221-back/03ld2kt1_1_1
6       3       1   2   EXPIRED     DISK        /u00/dbbackup/221--back/03ld2kt1_1_1
4       4       1   1   EXPIRED     DISK        /u00/dbbackup/221-back/04ld2l8g_1_1
5       4       1   2   EXPIRED     DISK        /u00/dbbackup/221--back/04ld2l8g_1_1

Do you really want to delete the above objects (enter YES or NO)? yes
deleted backup piece
backup piece handle=/u00/dbbackup/221-back/01lcvgi5_1_1 recid=1 stamp=718258757
deleted backup piece
backup piece handle=/u00/dbbackup/221--back/01lcvgi5_1_1 recid=7 stamp=718707697
deleted backup piece
backup piece handle=/u00/dbbackup/221-back/02lcvgtc_1_1 recid=2 stamp=718259118
deleted backup piece
backup piece handle=/u00/dbbackup/221--back/02lcvgtc_1_1 recid=8 stamp=718707699
deleted backup piece
backup piece handle=/u00/dbbackup/221-back/03ld2kt1_1_1 recid=3 stamp=718361505
deleted backup piece
backup piece handle=/u00/dbbackup/221--back/03ld2kt1_1_1 recid=6 stamp=718707695
deleted backup piece
backup piece handle=/u00/dbbackup/221-back/04ld2l8g_1_1 recid=4 stamp=718361874
deleted backup piece
backup piece handle=/u00/dbbackup/221--back/04ld2l8g_1_1 recid=5 stamp=718707695
Deleted 8 EXPIRED objects

RMAN> list backup;

RMAN>

注意：rman中list backup命令是列出多有备份媒体上的所有备份集，如果备份媒体既有磁盘，又有磁带机，则类似如下：

bash-3.00$ rman target /

Recovery Manager: Release 10.2.0.5.0 - Production on Wed Nov 17 13:52:03 2010

connected to target database: PRIDB (DBID=942177643)

RMAN> list backup;

using target database control file instead of recovery catalog

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

BS Key Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ -------------------
6       116.50K    DISK        00:00:01     2010-10-15 09:17:10
        BP Key: 6   Status: AVAILABLE Compressed: NO Tag: TAG20101015T091709
        Piece Name: /export/home/oracle/rmanback/arch05lqgfgl_1_1

List of Archived Logs in backup set 6
Thrd Seq     Low SCN    Low Time            Next SCN   Next Time
---- ------- ---------- ------------------- ---------- ---------
1    23      1574690    2010-10-15 09:10:37 1574937    2010-10-15 09:13:31
1    24      1574937    2010-10-15 09:13:31 1575174    2010-10-15 09:16:58

BS Key Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ -------------------
7       Full    366.75M    SBT_TAPE    00:00:19     2010-10-18 16:49:57
        BP Key: 7   Status: AVAILABLE Compressed: NO Tag: TAG20101018T164938
        Handle: FULL_PRIDB_09lqp752_1_1   Media:
List of Datafiles in backup set 7
File LV Type Ckp SCN    Ckp Time            Name
---- -- ---- ---------- ------------------- ----
1       Full 2307747    2010-10-18 16:49:38 +SYS/pridb/system01.dbf
4       Full 2307747    2010-10-18 16:49:38 +SYS/pridb/users01.dbf

而delete backup命令是删除你的show all命令显示出来的默认的config备份路径中的备份集，因此，如果想删除所有备份媒体中的备份集，必须用先指定其他的备份媒体路径在进行删除。类似脚本如下：

RUN {
ALLOCATE CHANNEL CH1 TYPE 'SBT_TAPE';
DELETE BACKUP;
crosscheck backup;
DELETE EXPIRED BACKUP;
RELEASE CHANNEL CH1;
}

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