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标题: 如何从控制文件中去除存在的备份信息 [打印本页]

作者: 郑全 时间: 2024-3-25 19:01
标题: 如何从控制文件中去除存在的备份信息
可能有些特殊原因，备份备份到NFS了，然后，去执行CROSSCHECK BACKUP，非常慢，需要几个小时才出来，其他操作，备份也还可以，LIST BACKUP 也可以秒出，这个时候，想从控制文件中把这个备份信息去掉，怎么操作？

RMAN> list backup of database;

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

BS Key  Type LV Size    Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ -------------------
7799 Full 391.05M DISK       00:05:53    2024-03-24 05:13:58
      BP Key: 7815 Status: AVAILABLE  Compressed: YES  Tag: CDBFULL
      Piece Name: /dbak/cdb_bak/whole_20240324_js2mfjtl_1_1_CDB.bak
  List of Datafiles in backup set 7799
  File LV Type Ckp SCN Ckp Time          Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- ------------------- ----------- ------ ----
  3    Full 282303837  2024-03-24 05:08:05             NO +DATA/CDB/DATAFILE/sysaux01.dbf
  8    Full 282303837  2024-03-24 05:08:05             NO +DATA/CDB/DATAFILE/undotbs2.350.1131740169

BS Key  Type LV Size    Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ -------------------
7800 Full 39.26M    DISK       00:05:05    2024-03-24 05:19:10
      BP Key: 7816 Status: AVAILABLE  Compressed: YES  Tag: CDBFULL
      Piece Name: /dbak/cdb_bak/whole_20240324_jv2mfk8t_1_1_CDB.bak
  List of Datafiles in backup set 7800
  Container ID: 6, PDB Name: TD_CUS
  File LV Type Ckp SCN Ckp Time          Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- ------------------- ----------- ------ ----
  18    Full 282306012  2024-03-24 05:14:05             NO +DATA/CDB/E720C99EF5DB0A43E05335D3640AB996/DATAFILE/system.293.1131740169
  20    Full 282306012  2024-03-24 05:14:05             NO +DATA/CDB/E720C99EF5DB0A43E05335D3640AB996/DATAFILE/users.284.1131740169

使用
change backuppiece 'xxxx' uncatalog;即可

RMAN> change backuppiece '/dbak/cdb_bak/whole_20240324_js2mfjtl_1_1_CDB.bak' uncatalog;

uncataloged backup piece
backup piece handle=/dbak/cdb_bak/whole_20240324_js2mfjtl_1_1_CDB.bak RECID=7815 STAMP=1164431285
Uncataloged 1 objects

RMAN> change backuppiece '/dbak/cdb_bak/whole_20240324_jv2mfk8t_1_1_CDB.bak' uncatalog;

uncataloged backup piece
backup piece handle=/dbak/cdb_bak/whole_20240324_jv2mfk8t_1_1_CDB.bak RECID=7816 STAMP=1164431645
Uncataloged 1 objects

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