asm数据文件迁移(os–>asm)

--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