Rman Crosscheck刪除失效歸檔-備份恢復

season0891發表於2010-07-23
當手工刪除了歸檔日誌以後,Rman備份會檢測到日誌缺失,從而無法進一步繼續執行。

    所以此時需要手工執行crosscheck過程,之後Rman備份可以恢復正常。

    1.Crosscheck日誌

$ rman target /
Recovery Manager: Release 9.2.0.4.0 - 64bit Production
Copyright (c) 1995, 2002, Oracle Corporation.  All rights reserved.
connected to target database: AVATAR2 (DBID=2480694409)

RMAN> crosscheck archivelog all;



using target database controlfile instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=25 devtype=DISK

validation failed for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2714.dbf recid=2702 stamp=545107659

validation failed for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2715.dbf recid=2703 stamp=545108268

...........

validation failed for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2985.dbf recid=2973 stamp=545399327

validation succeeded for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2986.dbf recid=2974 stamp=545400820

validation succeeded for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2987.dbf recid=2975 stamp=545401757

validation succeeded for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2988.dbf recid=2976 stamp=545402716

validation succeeded for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2989.dbf recid=2977 stamp=545403661

validation succeeded for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2990.dbf recid=2978 stamp=545404946

validation succeeded for archived log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2991.dbf recid=2979 stamp=545406220

Crosschecked 278 objects



RMAN>

    2.使用delete expired archivelog all 命令刪除所有過期歸檔日誌:

RMAN> delete expired archivelog all;



released channel: ORA_DISK_1

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=12 devtype=DISK



List of Archived Log Copies

Key     Thrd Seq     S Low Time  Name

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

376     1    2714     X 23-NOV-04 =/opt/oracle/oradata/avatar2/archive/1_2714.dbf

.....

    3.簡要介紹一下report obsolete命令

    使用report obsolete命令報告過期備份

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           125    01-NOV-04        

  Backup Piece       125    01-NOV-04          /data1/oracle/orabak/full_1_541045804

Backup Set           131    04-NOV-04        

  Backup Piece       131    04-NOV-04          /data1/oracle/orabak/full_AVATAR2_20041104_131

....

Backup Set           173    06-DEC-04        

  Backup Piece       173    06-DEC-04          /data1/oracle/orabak/full_AVATAR2_20041206_173

Backup Set           179    11-DEC-04        

  Backup Piece       179    11-DEC-04          /data1/oracle/orabak/arch544588206.arc

.....

  Backup Piece       189    17-DEC-04          /data1/oracle/orabak/arch545106606.arc

Backup Set           190    17-DEC-04        

  Backup Piece       190    17-DEC-04          /data1/oracle/orabak/arch545106665.arc

Backup Set           191    20-DEC-04        

  Backup Piece       191    20-DEC-04          /data1/oracle/orabak/arch_AVATAR2_20041220_194

Archive Log          2973   20-DEC-04          /opt/oracle/oradata/avatar2/archive/1_2985.dbf

Archive Log          2971   20-DEC-04          /opt/oracle/oradata/avatar2/archive/1_2984.dbf

.....

Archive Log          2705   17-DEC-04          /opt/oracle/oradata/avatar2/archive/1_2717.dbf

Archive Log          2704   17-DEC-04          /opt/oracle/oradata/avatar2/archive/1_2716.dbf

Archive Log          2703   17-DEC-04          /opt/oracle/oradata/avatar2/archive/1_2715.dbf

Archive Log          2702   17-DEC-04          /opt/oracle/oradata/avatar2/archive/1_2714.dbf

    4.使用delete obsolete命令刪除過期備份:

RMAN> delete obsolete;



RMAN retention policy will be applied to the command

RMAN retention policy is set to redundancy 1

using channel ORA_DISK_1

Deleting the following obsolete backups and copies:

Type Key Completion Time Filename/Handle

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

Backup Set 125 01-NOV-04

Backup Piece 125 01-NOV-04 /data1/oracle/orabak/full_1_541045804

....

Archive Log 2704 17-DEC-04 /opt/oracle/oradata/avatar2/archive/1_2716.dbf

Archive Log 2703 17-DEC-04 /opt/oracle/oradata/avatar2/archive/1_2715.dbf

Archive Log 2702 17-DEC-04 /opt/oracle/oradata/avatar2/archive/1_2714.dbf



Do you really want to delete the above objects (enter YES or NO)? yes

deleted backup piece

backup piece handle=/data1/oracle/orabak/full_AVATAR2_20041206_173 recid=173 stamp=544156241

.....

deleted archive log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2715.dbf recid=2703 stamp=545108268

deleted archive log

archive log filename=/opt/oracle/oradata/avatar2/archive/1_2714.dbf recid=2702 stamp=545107659

Deleted 286 objects





RMAN> crosscheck archivelog all;



released channel: ORA_DISK_1

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=19 devtype=DISK

specification does not match any archive log in the recovery catalog

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