zeo112140

数据库迁移-从文件系统到ASM

SQL> archive log list;

Database log mode Archive Mode

Automatic archival Enabled

Archive destination /u01/oracle/10g/arch

Oldest online log sequence 7

Next log sequence to archive 9

Current log sequence 9

--查看参数文件和控制文件位置

SQL> show parameter spfile;

NAME TYPE VALUE

------------------------------------ -----------------------------------------

spfile string /u01/oracle/10g/product/10.2.0

/db_1/dbs/spfilegt10g.ora

SQL> show parameter control_files;

NAME TYPE VALUE

------------------------------------ -----------------------------------------

control_files string /u01/oracle/10g/oradata/gt10g/

control1.ctl

--参数文件和控制文件备份

SQL> create pfile='/tmp/pfile1' from spfile;

File created.

SQL> alter database backup controlfile to'/tmp/controfile1';

Database altered.

--查看当前数据文件位置

SQL> select name from v$datafile

2 union all

3 select name from v$controlfile

4 union all

5 select name from v$tempfile

6 union all

7 select member from v$logfile;

NAME

--------------------------------------------------

/u01/oracle/10g/oradata/gt10g/system01.dbf

/u01/oracle/10g/oradata/gt10g/undotbs1.dbf

/u01/oracle/10g/oradata/gt10g/sysaux01.dbf

/u01/oracle/10g/oradata/gt10g/users01.dbf

/u01/oracle/10g/oradata/gt10g/gtlions01.dbf

/u01/oracle/10g/oradata/gt10g/gtlions02.dbf

/u01/oracle/10g/oradata/gt10g/control1.ctl

/u01/oracle/10g/oradata/gt10g/temp01.dbf

/u01/oracle/10g/oradata/gt10g/gtlionstemp01.dbf

/u01/oracle/10g/oradata/gt10g/redo1.log

/u01/oracle/10g/oradata/gt10g/redo2.log

NAME

--------------------------------------------------

/u01/oracle/10g/oradata/gt10g/redo3.log

12 rows selected.

--查看OMF相关参数

SQL> show parameter db_create_file_dest;

NAME TYPE VALUE

------------------------------------ -----------------------------------------

db_create_file_dest string

SQL> show parameter db_recovery_file_dest_size;

NAME TYPE VALUE

------------------------------------ -----------------------------------------

db_recovery_file_dest_size big integer 0

SQL> show parameter db_recovery_file_dest;

NAME TYPE VALUE

------------------------------------ -----------------------------------------

db_recovery_file_dest string

db_recovery_file_dest_size big integer 0

SQL> show parameter log_archive_dest_1;

NAME TYPE VALUE

------------------------------------ -----------------------------------------

log_archive_dest_1 string location=/u01/oracle/10g/arch

log_archive_dest_10 string

--修改控制文件位置到ASM

SQL> alter system set control_files='+data01'scope=spfile;

System altered.

--修改OMF相关参数到ASM

SQL> alter system setdb_create_file_dest='+data01' scope=both;

System altered.

SQL> alter system setdb_recovery_file_dest_size=1024m scope=both;

System altered.

SQL> alter system setdb_recovery_file_dest='+fra' scope=both;

System altered.

SQL> alter system setlog_archive_dest_1='location=+fra' scope=both;

System altered.

SQL> exit

Disconnected from Oracle Database 10g EnterpriseEdition Release 10.2.0.5.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and RealApplication Testing options

--切换到RMAN操作

[oracle@gtser1 ~]$ rman target /

Recovery Manager: Release 10.2.0.5.0 - Productionon Mon Feb 25 15:35:29 2013

connected to target database: GT10G(DBID=2268277830)

--关闭数据库

RMAN> shutdown immediate;

using target database control file instead ofrecovery catalog

database closed

database dismounted

Oracle instance shut down

--启动到nomount状态

RMAN> startup nomount;

connected to target database (not started)

Oracle instance started

Total System Global Area 520093696 bytes

Fixed Size 2097496 bytes

Variable Size 138415784 bytes

Database Buffers 373293056 bytes

Redo Buffers 6287360 bytes

--还原控制文件

RMAN> alter database mount;

RMAN> restore controlfile from '/tmp/controfile1';

Starting restore at 25-FEB-13

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=156 devtype=DISK

channel ORA_DISK_1: copied control file copy

outputfilename=+DATA01/gt10g/controlfile/current.270.808328193

Finished restore at 25-FEB-13

--备份数据文件副本到ASM磁盘组DATA01

RMAN> backup as copy database format'+data01';

Starting backup at 25-FEB-13

using channel ORA_DISK_1