DELETE命令会从磁盘或磁带删除备份和拷贝，在控制文件库中更新文件的状态为DELETED

（如果使用catalog，还会从recovery catalog中删除相应的记录）

如果你是交互地执行RMAN，并且没有指定NOMPROMPT选项，则DELETE命令会显示文件列表，在删除之前要求确认。

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

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

Archive Log 1 06-JUL-13 /u01/app/oracle/fast_recovery_area/TESTDB12/archivelog/2013_07_06/o1_mf_1_9_8xkf4h9k_.arc

Backup Set 1 06-JUL-13

Backup Piece 1 06-JUL-13 /u01/app/oracle/fast_recovery_area/TESTDB12/backupset/2013_07_06/o1_mf_nnndf_TAG20130706T192144_8xk9n8of_.bkp

Backup Set 3 06-JUL-13

Backup Piece 3 06-JUL-13 /u01/app/oracle/fast_recovery_area/TESTDB12/backupset/2013_07_06/o1_mf_annnn_TAG20130706T202136_8xkf4jno_.bkp

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

deleted archived log

archived log file name=/u01/app/oracle/fast_recovery_area/TESTDB12/archivelog/2013_07_06/o1_mf_1_9_8xkf4h9k_.arc RECID=1 STAMP=820095695

deleted backup piece

backup piece handle=/u01/app/oracle/fast_recovery_area/TESTDB12/backupset/2013_07_06/o1_mf_nnndf_TAG20130706T192144_8xk9n8of_.bkp RECID=1 STAMP=820092104

deleted backup piece

backup piece handle=/u01/app/oracle/fast_recovery_area/TESTDB12/backupset/2013_07_06/o1_mf_annnn_TAG20130706T202136_8xkf4jno_.bkp RECID=3 STAMP=820095696

Deleted 3 objects

ITPub博客

Backup And Recovery User's Guide-从RMAN开始-维护RMAN备份-删除过期的备份

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