备份——全库备份。
启动数据库到archivelog模式
rman target=rman/rman
rman>backup database plus archivelog delete input;
删除两个用户及相关表后。
恢复部分内容——基于时间点的恢复。
[root@ccj 2009_10_22]# ll
总用量 1299304
-rw-r----- 1 oracle oinstall 39169536 10月 22 14:31 o1_mf_annnn_TAG20091022T143115_5fzz1oyv_.bkp
-rw-r----- 1 oracle oinstall 30208 10月 22 14:36 o1_mf_annnn_TAG20091022T143634_5fzzcmfo_.bkp
-rw-r----- 1 oracle oinstall 7110656 10月 22 14:27 o1_mf_ncnnf_TAG20091022T142737_5fzytyh2_.bkp
-rw-r----- 1 oracle oinstall 7110656 10月 22 14:36 o1_mf_ncnnf_TAG20091022T143121_5fzzcg0l_.bkp
-rw-r----- 1 oracle oinstall 1275740160 10月 22 14:36 o1_mf_nnndf_TAG20091022T143121_5fzz1t8k_.bkp
[root@ccj 2009_10_22]# pwd
/opt/oracle/flash_recovery_area/ORCL/backupset/2009_10_22
[oracle@ccj ~]$ export NLS_DATE_FORMAT="yyyy-mm-dd hh24:mi:ss"
[oracle@ccj ~]$
[oracle@ccj ~]$ export NLS_DATE_FORMAT="yyyy-mm-dd hh24:mi:ss"
[oracle@ccj ~]$ rman target=rman/rman
Recovery Manager: Release 10.2.0.1.0 - Production on Thu Oct 22 17:08:54 2009
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: ORCL (DBID=1223339172)
RMAN> restore database;
Starting restore at 2009-10-22 17:23:29
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00001 to /opt/oracle/oradata/orcl/system01.dbf
restoring datafile 00002 to /opt/oracle/oradata/orcl/undotbs01.dbf
restoring datafile 00003 to /opt/oracle/oradata/orcl/sysaux01.dbf
restoring datafile 00004 to /opt/oracle/oradata/orcl/users01.dbf
restoring datafile 00005 to /opt/oracle/oradata/orcl/example01.dbf
restoring datafile 00006 to /opt/oracle/oradata/db/reporter.dbf
restoring datafile 00007 to /opt/oracle/oradata/db/sm_db.dbf
restoring datafile 00008 to /opt/oracle/product/10g/dbs/nhnmcc_data.data
channel ORA_DISK_1: reading from backup piece /opt/oracle/flash_recovery_area/ORCL/backupset/2009_10_22/o1_mf_nnndf_TAG20091022T143121_5fzz1t8k_.bkp
channel ORA_DISK_1: restored backup piece 1
piece handle=/opt/oracle/flash_recovery_area/ORCL/backupset/2009_10_22/o1_mf_nnndf_TAG20091022T143121_5fzz1t8k_.bkp tag=TAG20091022T143121
channel ORA_DISK_1: restore complete, elapsed time: 00:02:38
Finished restore at 2009-10-22 17:26:09
RMAN> recover database until time '2009-10-22 14:37:00';
Starting recover at 2009-10-22 17:26:58
using channel ORA_DISK_1
starting media recovery
media recovery complete, elapsed time: 00:00:05
Finished recover at 2009-10-22 17:27:04
最后，alter database open resetlogs;
注：备份时archivelog状态，恢复时候mount状态；
可能用到的命令sql>alter session set NLS_date_format = 'YYYY-MM-DD HH24:MI:SS'
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