--添加测试表空间
SQL>
create
tablespace xff datafile
'/u01/oradata/xifenfei.dbf'
size
10m autoextend
on
maxsize 100m;
Tablespace created.
--查看数据文件位置
SQL>
select
name
from
v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
/u01/oradata/xifenfei.dbf
6
rows
selected.
--创建测试表
SQL>
create
table
hr.a tablespace xff
2
as
3
select
*
from
dba_tables;
Table
created.
SQL>
select
count
(*)
from
hr.a;
COUNT
(*)
----------
1580
--转移数据文件位置
[oracle@localhost oradata]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production
on
Mon Jun 27 04:30:22 2011
Copyright (c) 1982, 2005, Oracle.
All
rights reserved.
connected
to
target
database
: TASM (DBID=3032096031)
RMAN> sql
'alter tablespace xff offline'
;
using target
database
control file
instead
of
recovery catalog
sql statement:
alter
tablespace xff offline
RMAN> backup
as
copy tablespace xff format
'+DATA'
;
Starting backup
at
27-JUN-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=132 devtype=DISK
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006
name
=/u01/oradata/xifenfei.dbf
output
filename=+DATA/tasm/datafile/xff.269.754893121 tag=TAG20110627T043200 recid=2 stamp=754893123
channel ORA_DISK_1: datafile copy complete, elapsed
time
: 00:00:03
Finished backup
at
27-JUN-11
RMAN> switch tablespace xff
to
copy;
datafile 6 switched
to
datafile copy
"+DATA/tasm/datafile/xff.269.754893121"
RMAN> sql
'alter tablespace xff online'
;
sql statement:
alter
tablespace xff online
--查看转移后的数据文件位置
SQL>
select
name
from
v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DATA/tasm/datafile/xff.269.754893121
6
rows
selected.
--测试其中数据是否存在
SQL>
select
count
(*)
from
hr.a;
COUNT
(*)
----------
1580
--创建asm中文件别名
ASMCMD> mkalias +DATA/tasm/datafile/xff.269.754893121 +DATA/tasm/xff01.dbf
--文件重命名
SQL>
alter
tablespace xff offline;
Tablespace altered.
SQL>
alter
database
rename file
'+DATA/tasm/datafile/xff.269.754893121'
to
'+DATA/tasm/xff01.dbf'
;
Database
altered.
SQL>
alter
tablespace xff online;
Tablespace altered.
SQL>
select
name
from
v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DATA/tasm/xff01.dbf
6
rows
selected.
--手工删除原来数据
[oracle@localhost oradata]$ rm xifenfei.dbf
|
说明：可以在rman移植数据文件位置的时候，同时处理好别名，然后对表空间重命名，实现只需要表空间离线一次
转:http://www.xifenfei.com/2011/08/%e9%9d%9easm%e6%95%b0%e6%8d%ae%e6%96%87%e4%bb%b6%e7%a7%bb%e6%a4%8d%e5%88%b0asm.html
文章可以转载，必须以链接形式标明出处。
本文转自 张冲andy 博客园博客，原文链接： http://www.cnblogs.com/andy6/p/5741731.html
，如需转载请自行联系原作者
