【IT168 服务器学院】1.准备工作:
查询源数据库平台信息
SQL> col platform_name for a40
SQL> SELECT d.PLATFORM_NAME, ENDIAN_FORMAT
2 FROM V$TRANSPORTABLE_PLATFORM tp, V$DATABASE d
3 WHERE tp.PLATFORM_NAME = d.PLATFORM_NAME;
PLATFORM_NAME ENDIAN_FORMAT
---------------------------------------- --------------
Solaris[tm] OE (64-bit) Big
查询目标数据库平台信息
SQL> col platform_name for a40
SQL> SELECT d.PLATFORM_NAME, ENDIAN_FORMAT
2 FROM V$TRANSPORTABLE_PLATFORM tp, V$DATABASE d
3 WHERE tp.PLATFORM_NAME = d.PLATFORM_NAME;
PLATFORM_NAME ENDIAN_FORMAT
---------------------------------------- --------------
Microsoft Windows IA (32-bit) Little
查询Oracle10g支持的平台转换
代码:--------------------------------------------------------------------------------
SQL> select * from v$transportable_platform;
PLATFORM_ID PLATFORM_NAME nbsp; ENDIAN_FORMAT
----------- ---------------------------------------- --------------
1 Solaris[tm] OE (32-bit) Big
2 Solaris[tm] OE (64-bit) Big
7 Microsoft Windows IA (32-bit) Little
10 Linux IA (32-bit) nbsp; Little
6 AIX-Based Systems (64-bit) Big
3 HP-UX (64-bit) nbsp; Big
5 HP Tru64 UNIX nbsp; Little
4 HP-UX IA (64-bit) nbsp; Big
11 Linux IA (64-bit) nbsp; Little
15 HP Open VMS nbsp; Little
8 Microsoft Windows IA (64-bit) Little
PLATFORM_ID PLATFORM_NAME nbsp; ENDIAN_FORMAT
----------- ---------------------------------------- --------------
9 IBM zSeries Based Linux Big
13 Linux 64-bit for AMD Little
16 Apple Mac OS nbsp; Big
12 Microsoft Windows 64-bit for AMD Little
2.创建一个独立的自包含表空间
用于测试.
代码:--------------------------------------------------------------------------------
$ sqlplus "/ as sysdba"
SQL*Plus: Release 10.1.0.2.0 - Production on Tue Apr 27 14:04:08 2004
Copyright (c) 1982, 2004, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
/opt/oracle/oradata/eygle/system01.dbf
/opt/oracle/oradata/eygle/undotbs01.dbf
/opt/oracle/oradata/eygle/sysaux01.dbf
/opt/oracle/oradata/eygle/users01.dbf
/data1/oradata/systemfile/eygle01.dbf
/opt/oracle/oradata/eygle/EYGLE/datafile/o1_mf_test_03xv34ny_.dbf
/opt/oracle/oradata/eygle/EYGLE/datafile/o1_mf_itpub_03xv5g66_.dbf
7 rows selected.
SQL> create tablespace trans
2 datafile ''/data1/oradata/systemfile/trans01.dbf''
3 size 10M;
Tablespace created.
SQL> create user trans identified by trans
2 default tablespace trans;
User created.
SQL> grant connect,resource to trans;
Grant succeeded.
SQL> connect trans/trans
Connected.
SQL> create table test as select * from user_objects;
Table created.
SQL> select count(*) from test;
COUNT(*)
----------
1
SQL> select * from test;
OBJECT_NAME
--------------------------------------------------------------------------------
SUBOBJECT_NAME OBJECT_ID DATA_OBJECT_ID OBJECT_TYPE
------------------------------ ---------- -------------- -------------------
CREATED LAST_DDL_TIM TIMESTAMP STATUS T G S
------------ ------------ ------------------- ------- - - -
TEST
nbsp; 15604 15604 TABLE
27-APR-04 27-APR-04 2004-04-27:14:05:42 VALID N N N
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - 64bit Production
With the Partitioning, OLAP and Dat
--------------------------------------------------------------------------------
3.导出要传输的表空间
$ pwd
/opt/oracle
$ cd dpdata
$ ls
$ expdp eygle/eygle dumpfile=trans.dmp directory=dpdata transport_tablespace=trans
LRM-00101: unknown parameter name ''transport_tablespace''
$ expdp eygle/eygle dumpfile=trans.dmp directory=dpdata
TRANSPORT_TABLESPACES=trans
Export: Release 10.1.0.2.0 - 64bit Production on Tuesday, 27 April, 2004 14:07
Copyright (c) 2003, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release
10.1.0.2.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
Starting "EYGLE"."SYS_EXPORT_TRANSPORTABLE_01": eygle/
******** dumpfile=trans.dmp directory=dpdata TRANSPORT_TABLESPACES=trans
ORA-39123: Data Pump transportable tablespace job aborted
ORA-29335: tablespace ''TRANS'' is not read only
Job "EYGLE"."SYS_EXPORT_TRANSPORTABLE_01" stopped due to fatal error at 14:08
注意:传输表空间必须置为只读状态
$ sqlplus "/ as sysdba"
SQL*Plus: Release 10.1.0.2.0 - Production on Tue Apr 27 14:08:13 2004
Copyright (c) 1982, 2004, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
SQL> alter tablespace trans read only;
Tablespace altered.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
$ expdp eygle/eygle dumpfile=trans.dmp directory=dpdata TRANSPORT_TABLESPACES=trans
Export: Release 10.1.0.2.0 - 64bit Production on Tuesday, 27 April, 2004 14:08
Copyright (c) 2003, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
Starting "EYGLE"."SYS_EXPORT_TRANSPORTABLE_01": eygle/******** dumpfile=trans.dmp directory=dpdata TRANSPORT_TABLESPACES=trans
Processing object type TRANSPORTABLE_EXPORT/PLUGTS_BLK
Processing object type TRANSPORTABLE_EXPORT/TABLE
Processing object type TRANSPORTABLE_EXPORT/TTE_POSTINST/PLUGTS_BLK
Master table "EYGLE"."SYS_EXPORT_TRANSPORTABLE_01" successfully loaded/unloaded
*****************************************************
*************************
Dump file set for EYGLE.SYS_EXPORT_TRANSPORTABLE_01 is:
/opt/oracle/dpdata/trans.dmp
Job "EYGLE"."SYS_EXPORT_TRANSPORTABLE_01" successfully completed at 14:09
4.使用rman转换文件格式
$ rman target /
Recovery Manager: Release 10.1.0.2.0 - 64bit Production
Copyright (c) 1995, 2004, Oracle. All rights reserved.
connected to target database: EYGLE (DBID=1337390772)
RMAN> convert tablespace trans
2> to platform ''Microsoft Windows IA (32-bit)''
3> Format ''/tmp/%U'';
Starting backup at 27-APR-04
using target database controlfile instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=148 devtype=DISK
channel ORA_DISK_1: starting datafile conversion
input datafile fno=00008 name=/data1/oradata/systemfile/trans01.dbf
converted datafile=/tmp/data_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01fk92hg
channel ORA_DISK_1: datafile conversion complete, elapsed time: 00:00:01
Finished backup at 27-APR-04
RMAN> exit
5.确认导出文件已生成.
$ ls /tmp/data*
/tmp/data_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01fk92hg
$ ls -l /tmp/data*
-rw-r----- 1 oracle dba 10493952 Apr 27 14:12 /tmp/data_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01fk92hg
$ chmod 777 /tmp/data*
$ chmod 777 /opt/oracle/dpdata/*
6.通过ftp传输文件至目标主机
220 billing-center.hurray.com.cn FTP server (SunOS 5.8) ready.
User (172.16.33.32none)): gqgai
331 Password required for gqgai.
Password:
230 User gqgai logged in.
ftp> bin
200 Type set to I.
ftp> cd /tmp
250 CWD command successful.
ftp> mget data*
200 Type set to I.
mget data_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01fk92hg? y
200 PORT command successful.
150 Binary data connection for data_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01fk92hg (172.16.32.65,2885) (10493952 bytes).
226 Binary Transfer complete.
ftp: 10493952 bytes received in 15.90Seconds 659.87Kbytes/sec.
ftp> cd /opt/oracle/dpdata
250 CWD command successful.
ftp> ls
200 PORT command successful.
150 ASCII data connection for /bin/ls (172.16.32.65,2889) (0 bytes).
export.log
trans.dmp
226 ASCII Transfer complete.
ftp: 23 bytes received in 0.01Seconds 2.30Kbytes/sec.
ftp> bin
200 Type set to I.
ftp> mget trans.dmp
200 Type set to I.
mget trans.dmp? y
200 PORT command successful.
150 Binary data connection for trans.dmp (172.16.32.65,2893) (73728 bytes).
226 Binary Transfer complete.
ftp: 73728 bytes received in 0.03Seconds 2457.60Kbytes/sec.
ftp> bye
221 Goodbye.
7.使用rman在目标数据库转换文件
E:Oracleoradatavilendpdata>rman target /
恢复管理器: 版本10.1.0.2.0 - Production
Copyright (c) 1995, 2004, Oracle. All rights reserved.
连接到目标数据库: VILEN (DBID=1587222708)
RMAN> CONVERT DATAFILE ''E:Oracleoradatavilendpdatadata_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01fk92hg''
2> DB_FILE_NAME_CONVERT
3> ''E:Oracleoradatavilendpdatadata_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01fk92hg'',''E:OracleoradatavilenVILENDATAFILE rans01.dbf'';
启动 backup 于 27-4月 -04
使用通道 ORA_DISK_1
通道 ORA_DISK_1: 启动数据文件转换
输出文件名=E:ORACLEORADATAVILENDPDATADATA_D-EYGLE_I-1337390772_TS-TRANS_FNO-8_01FK92HG
已转换的数据文件 = E:ORACLEORADATAVILENVILENDATAFILETRANS01.DBF
通道 ORA_DISK_1: 数据文件转换完毕, 经过时间: 00:00:04
完成 backup 于 27-4月 -04
RMAN>
8.在目标数据库plugin数据文件
注意目标数据库中的目标用户必须存在
否则会报错.
E:Oracleoradatavilendpdata>impdp eygle/eygle dumpfile=trans.dmp directory=dpdata transport_datafiles=''E:Oracleorad
atavilenVILENDATAFILETRANS01.DBF''
Import: Release 10.1.0.2.0 - Production on 星期二, 27 4月, 2004 15:02
Copyright (c) 2003, Oracle. All rights reserved.
连接到: Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
已成功加载/卸载了主表 "EYGLE"."SYS_IMPORT_TRANSPORTABLE_01"
启动 "EYGLE"."SYS_IMPORT_TRANSPORTABLE_01": eygle/******** dumpfile=trans.dmp directory=dpdata transport_datafiles=''E:
OracleoradatavilenVILENDATAFILETRANS01.DBF''
处理对象类型 TRANSPORTABLE_EXPORT/PLUGTS_BLK
ORA-39123: 数据泵可传输的表空间作业中止
ORA-29342: 数据库中不存在用户 TRANS
作业 "EYGLE"."SYS_IMPORT_TRANSPORTABLE_01" 因致命错误于 15:02 停止
E:Oracleoradatavilendpdata>sqlplus "/ as sysdba"
SQL*Plus: Release 10.1.0.2.0 - Production on 星期二 4月 27 15:03:03 2004
Copyright (c) 1982, 2004, Oracle. All rights reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> create user trans identified by trans;
用户已创建。
SQL> grant connect,resource to trans;
授权成功。
SQL> exit
从 Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options 断开
E:Oracleoradatavilendpdata>impdp eygle/eygle dumpfile=trans.dmp directory=dpdata transport_datafiles=''E:Oracleorad
atavilenVILENDATAFILETRANS01.DBF''
Import: Release 10.1.0.2.0 - Production on 星期二, 27 4月, 2004 15:03
Copyright (c) 2003, Oracle. All rights reserved.
连接到: Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
已成功加载/卸载了主表 "EYGLE"."SYS_IMPORT_TRANSPORTABLE_01"
启动 "EYGLE"."SYS_IMPORT_TRANSPORTABLE_01": eygle/******** dumpfile=trans.dmp directory=dpdata transport_datafiles=''E:
OracleoradatavilenVILENDATAFILETRANS01.DBF''
处理对象类型 TRANSPORTABLE_EXPORT/PLUGTS_BLK
处理对象类型 TRANSPORTABLE_EXPORT/TABLE
处理对象类型 TRANSPORTABLE_EXPORT/TTE_POSTINST/PLUGTS_BLK
作业 "EYGLE"."SYS_IMPORT_TRANSPORTABLE_01" 已于 15:03 成功完成
9.检查数据
E:Oracleoradatavilendpdata>sqlplus trans/trans
SQL*Plus: Release 10.1.0.2.0 - Production on 星期二 4月 27 15:03:50 2004
Copyright (c) 1982, 2004, Oracle. All rights reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> select count(*) from test;
COUNT(*)
----------
1
SQL> exit
从 Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options 断开
E:Oracleoradatavilendpdata>
可以选择把表空间更改为读写
SQL> alter tablespace trans read write;
表空间已更改。
10.总结
10g的表空间跨平台迁移，较9i就是增加了一个使用Rman进行的文件格式转换的过程.
实际上也就是转换了数据文件头的格式信息而已.
然而这一简单改进带来的方便之处是显而易见的.
