rman迁移操作

[oracle@localhost oradata]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 05:50:03 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 device type disk as copy datafile 6 format '+DG2';
Starting backup at 27-JUN-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=159 devtype=DISK
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006 name=+DATA/tasm/xff01.dbf
output filename=+DG2/tasm/datafile/xff.256.754899605 tag=TAG20110627T062003 recid=4 stamp=754899608
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
Finished backup at 27-JUN-11
RMAN> switch tablepspace xff  to copy;
datafile 6 switched to datafile copy "+DG2/tasm/datafile/xff.256.754899605"
RMAN> sql 'alter tablespace xff online';
sql statement: alter tablespace xff online

sql验证操作

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
+DG2/tasm/datafile/xff.256.754899605
6 rows selected.
SQL> select count(*) from hr.a;
  COUNT(*)
----------
      1580