恢复drop后的表空间
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SQL> alter database backup controlfile to ‘/home/oracle/con.ctl‘; #备份控制文件 Database altered. #删除后会记录到当前的控制文件中，恢复的时候不可以使用当前的控制文件 SQL> drop tablespace tbs10 including contents and datafiles; SQL> drop tablespace tbs11 including contents and datafiles; SQL> select file_id,file_name from dba_data_files; FILE_ID FILE_NAME ---------- ------------------------------------------------------------------------------------------ 4 +DATA/orcl/datafile/users.272.1033601261 3 +DATA/orcl/datafile/undotbs1.271.1033601261 2 +DATA/orcl/datafile/sysaux.270.1033601259 1 +DATA/orcl/datafile/system.269.1033601257 5 +DATA/orcl/datafile/example.277.1033601505 6 +DATA/orcl/datafile/undotbs2.278.1033601957 10 +DATA/orcl/datafile/gg.293.1036275463 11 +DATA/orcl/datafile/ogg_2020.259.1033961107 8 rows selected. SQL> drop tablespace gg including contents and datafiles; Tablespace dropped. SQL> select file_id,file_name from dba_data_files; FILE_ID FILE_NAME ---------- ------------------------------------------------------------------------------------------ 4 +DATA/orcl/datafile/users.272.1033601261 3 +DATA/orcl/datafile/undotbs1.271.1033601261 2 +DATA/orcl/datafile/sysaux.270.1033601259 1 +DATA/orcl/datafile/system.269.1033601257 5 +DATA/orcl/datafile/example.277.1033601505 6 +DATA/orcl/datafile/undotbs2.278.1033601957 11 +DATA/orcl/datafile/ogg_2020.259.1033961107 7 rows selected. SQL> [oracle@rac01 ~]$ rman target / Recovery Manager: Release 11.2.0.1.0 - Production on Sat Mar 28 22:42:56 2020 Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved. connected to target database (not started) RMAN> RMAN> RMAN> startup nomount Oracle instance started Total System Global Area 835104768 bytes Fixed Size 2217952 bytes Variable Size 809502752 bytes Database Buffers 20971520 bytes Redo Buffers 2412544 bytes RMAN> restore controlfile from ‘/home/oracle/con.ctl‘; #利用备份的控制文件进行恢复。 Starting restore at 2020/03/28 22:44:04 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=33 instance=orcl1 device type=DISK channel ORA_DISK_1: copied control file copy output file name=+DATA/orcl/controlfile/current.273.1033601477 Finished restore at 2020/03/28 22:44:09 RMAN> restore database; RMAN> alter database mount; database mounted released channel: ORA_DISK_1 RMAN> restore database; Starting restore at 2020/03/28 22:44:52 Starting implicit crosscheck backup at 2020/03/28 22:44:52 allocated channel: ORA_DISK_1 Crosschecked 7 objects Finished implicit crosscheck backup at 2020/03/28 22:44:56 Starting implicit crosscheck copy at 2020/03/28 22:44:56 using channel ORA_DISK_1 Finished implicit crosscheck copy at 2020/03/28 22:44:56 searching for all files in the recovery area cataloging files... no files cataloged using channel ORA_DISK_1 channel ORA_DISK_1: starting datafile backup set restore channel ORA_DISK_1: specifying datafile(s) to restore from backup set channel ORA_DISK_1: restoring datafile 00001 to +DATA/orcl/datafile/system.269.1033601257 channel ORA_DISK_1: restoring datafile 00002 to +DATA/orcl/datafile/sysaux.270.1033601259 channel ORA_DISK_1: restoring datafile 00003 to +DATA/orcl/datafile/undotbs1.271.1033601261 channel ORA_DISK_1: restoring datafile 00004 to +DATA/orcl/datafile/users.272.1033601261 channel ORA_DISK_1: restoring datafile 00005 to +DATA/orcl/datafile/example.277.1033601505 channel ORA_DISK_1: restoring datafile 00006 to +DATA/orcl/datafile/undotbs2.278.1033601957 channel ORA_DISK_1: restoring datafile 00008 to +DATA/orcl/datafile/tbs10.294.1036253653 channel ORA_DISK_1: restoring datafile 00009 to +DATA/orcl/datafile/tbs11.283.1036253831 channel ORA_DISK_1: restoring datafile 00010 to +DATA/orcl/datafile/gg.293.1036275463 channel ORA_DISK_1: restoring datafile 00011 to +DATA/orcl/datafile/ogg_2020.259.1033961107 channel ORA_DISK_1: reading from backup piece +DATA/orcl/backupset/2020_03_28/nnndf0_tag20200328t222242_0.265.1036275763 channel ORA_DISK_1: piece handle=+DATA/orcl/backupset/2020_03_28/nnndf0_tag20200328t222242_0.265.1036275763 tag=TAG20200328T222242 channel ORA_DISK_1: restored backup piece 1 channel ORA_DISK_1: restore complete, elapsed time: 00:02:25 Finished restore at 2020/03/28 22:47:27 RMAN> recover database #通过查询alert.log日志得到drop tablespace 。。。语句的时间 RMAN> recover database until time "to_date(‘2020-03-28 22:39:43‘,‘yyyy-mm-dd hh24:mi:ss‘)"; Starting recover at 2020/03/28 22:49:30 using channel ORA_DISK_1 starting media recovery archived log for thread 1 with sequence 53 is already on disk as file +ARCH/orcl/archivelog/2020_03_28/thread_1_seq_53.312.1036276683 archived log for thread 1 with sequence 54 is already on disk as file +DATA/orcl/onlinelog/group_2.275.1033601485 archived log for thread 1 with sequence 55 is already on disk as file +DATA/orcl/onlinelog/group_1.274.1033601481 channel ORA_DISK_1: starting archived log restore to default destination channel ORA_DISK_1: restoring archived log archived log thread=1 sequence=52 channel ORA_DISK_1: reading from backup piece +DATA/orcl/backupset/2020_03_28/annnf0_tag20200328t222450_0.256.1036275891 channel ORA_DISK_1: piece handle=+DATA/orcl/backupset/2020_03_28/annnf0_tag20200328t222450_0.256.1036275891 tag=TAG20200328T222450 channel ORA_DISK_1: restored backup piece 1 channel ORA_DISK_1: restore complete, elapsed time: 00:00:01 archived log file name=+ARCH/orcl/archivelog/2020_03_28/thread_1_seq_52.313.1036277389 thread=1 sequence=52 archived log file name=+ARCH/orcl/archivelog/2020_03_28/thread_1_seq_53.312.1036276683 thread=1 sequence=53 archived log file name=+DATA/orcl/onlinelog/group_2.275.1033601485 thread=1 sequence=54 archived log file name=+DATA/orcl/onlinelog/group_1.274.1033601481 thread=1 sequence=55 media recovery complete, elapsed time: 00:00:03 Finished recover at 2020/03/28 22:49:55 RMAN> sql ‘alter database open resetlogs‘; sql statement: alter database open resetlogs RMAN> #恢复后查看表空间数据库 SQL> select file_id,file_name from dba_data_files; FILE_ID FILE_NAME ---------- ------------------------------------------------------------------------------------------ 1 +DATA/orcl/datafile/system.269.1033601257 2 +DATA/orcl/datafile/sysaux.270.1033601259 3 +DATA/orcl/datafile/undotbs1.271.1033601261 4 +DATA/orcl/datafile/users.272.1033601261 5 +DATA/orcl/datafile/example.277.1033601505 6 +DATA/orcl/datafile/undotbs2.278.1033601957 8 +DATA/orcl/datafile/tbs10.283.1036277119 9 +DATA/orcl/datafile/tbs11.294.1036277119 10 +DATA/orcl/datafile/gg.293.1036277103 11 +DATA/orcl/datafile/ogg_2020.259.1033961107 10 rows selected. SQL>
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