日期:2014-05-16 浏览次数:20485 次
环境:
sys@ORCL> select * from v$version; BANNER ---------------------------- Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod sys@ORCL> !uname Linux
⑴ 修改控制文件的位置
sys@ORCL> show parameter control_files
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
control_files string /u01/app/oracle/oradata/ORCL/c
ontrolfile/o1_mf_8050hgfp_.ctl
, /u01/app/oracle/flash_recove
ry_area/ORCL/controlfile/o1_mf
_8050hgqh_.ctl
sys@ORCL> alter database backup controlfile to '/home/oracle/ctlasm.ctl';
sys@ORCL> alter system set control_files='+WATER' scope=spfile;
sys@ORCL> shutdown immediate;
⑵ 数据文件迁移
RMAN> startup nomount RMAN> restore controlfile from '/home/oracle/ctlasm.ctl'; RMAN> alter database mount; RMAN> backup as copy database format '+WATER'; RMAN> recover database; RMAN> switch database to copy;
⑶ 日志文件迁移
idle> conn / as sysdba
idle> alter database open resetlogs;
idle> alter database add logfile group 4 '+WATER/redo04.log' size 50m;
idle> alter database add logfile group 5 '+WATER/redo05.log' size 50m;
idle> alter database add logfile group 6 '+WATER/redo06.log' size 50m;
idle> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 UNUSED
2 CURRENT
3 UNUSED
4 UNUSED
5 UNUSED
6 UNUSED
idle> alter system switch logfile;
idle> alter system switch logfile;
idle> alter system switch logfile;
idle> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 ACTIVE
2 ACTIVE
3 ACTIVE
4 ACTIVE
5 ACTIVE
6 CURRENT
idle> alter system checkpoint;
idle> alter database drop logfile group 1;
idle> alter database drop logfile group 2;
idle> alter database drop logfile group 3;
idle> select member from v$logfile;
MEMBER
----------------------------------------------------------------
+WATER/redo04.log
+WATER/redo05.log
+WATER/redo06.log
⑷ 临时文件迁移
sys@ORCL> select file_name,tablespace_name from dba_temp_files;
FILE_NAME TABLESPACE_NAME
----------------------------- ------------------------------
/u01/app/oracle/oradata/ORCL/datafile/o1_mf_temp_8050j34j_.tmp TEMP
sys@ORCL> alter tablespace temp add tempfile '+WATER';
sys@ORCL> select file_name,tablespace_name from dba_temp_files;
FILE_NAME TABLESPACE_NAME
----------------------------- ------------------------------
+WATER/orcl/tempfile/temp.265.798479421 TEMP
/u01/app/oracle/oradata/ORCL/datafile/o1_mf_temp_8050j34j_.tmp TEMP
sys@ORCL&g