通常要遷移一個數據庫，我們會使用

1 冷備份，整個數據庫遷移，

2 rman duplicate 功能進行復制到本機或者復制到異機，

前面兩種都必須先在目標庫上安裝軟件。這里測試另外一種方法：對于單實例數據庫，復制整個oracle 10g 數據庫到另一個服務器，relink 之后可以重新使用。。

查看源庫數據庫庫文件在$ORACLE_BASE 目錄下的分布：

oracle@yangDB1:/opt/oracle>ll

總計 36

drwxrwx--- 3 oracle oinstall 4096 08-06 16:22 10.2.0

drwxr-x--- 4 oracle oinstall 4096 08-17 17:10 admin

drwxrwxr-x 3 oracle oinstall 4096 08-06 15:14 extapi

drwxr-x--- 4 oracle oinstall 4096 08-17 18:32 flash_recovery_area

drwxr-x--- 4 oracle oinstall 4096 08-17 17:10 oradata

drwxrwxr-x 6 oracle oinstall 4096 08-06 16:28 oraInventory

drwxr-xr-x 2 oracle oinstall 4096 08-17 17:49 pri_arch

drwxr-xr-x 2 oracle oinstall 4096 08-11 13:27 std_arch -standby文件，不用

drwxr-xr-x 2 oracle oinstall 4096 08-17 18:31 yqldb_arch-上一個實驗文件，不用

將數據庫文件拷貝到目標庫：記得將目標庫設置和源庫一樣的結構，否則會報錯！

oracle@yangDB1:/opt/oracle>scp -r flash_recovery_area 10.250.7.230:/opt/oracle

oracle@yangDB1:/opt/oracle>scp -r admin ? ? ? ? ? ? ? 10.250.7.230:/opt/oracle

oracle@yangDB1:/opt/oracle>scp -r oraInventory ? ? ? ?10.250.7.230:/opt/oracle

oracle@yangDB1:/opt/oracle>scp -r 10.2.0 ? ? ? ? ? ? ?10.250.7.230:/opt/oracle

oracle@yangDB1:/opt/oracle>scp -r oradata/orcl/ ? ? ? 10.250.7.230:/opt/oracle/oradata/

在目標庫上：

oracle@yangDB2:/opt/oracle/10.2.0/orcl/rdbms/lib>ls

bbed ? ? ? ?dmwdm.o ? ? ? hormc.o ? ? ? kciwcx.o ? kprnts.o ? ksnnni.o ? ? ? ?libodm10.a ? ? ?maxmem.o ? s0exudrv.o ?shou.o ? ? ssbbded.o ? sulmain.o ? xsyeolap.o

bifile.bbd ?dumpsga.o ? ? hormd.o ? ? ? kcsm.o ? ? kprwts.o ? ksnnt2.o ? ? ? ?libperfsrv10.a ?nmliblist ?s0impdrv.o ?sjsex.o ? ?sskfeded.o ?tg4pwd.o ? ?zsmsdrv.o

config.c ? ?env_rdbms.mk ?horm.o ? ? ? ?kfod.o ? ? kpucb.o ? ?ktd.o ? ? ? ? ? libqsmashr.a ? ?opimai.o ? s0kudbv.o ? skfedpt.o ?sskfoded.o ?tstshm.o

config.o ? ?genezi.o ? ? ?hormt.o ? ? ? kgupc.o ? ?kpudfo.o ? kxmnsd.o ? ? ? ?libskgxns.a ? ? osh.o ? ? ?s0kuzr.o ? ?skfodpt.o ?sskrmed.o ? ttcoerr.o

cursize.o ? genksms.o ? ? hout.o ? ? ? ?kgutc.o ? ?kpundf.o ? kxmwsd.o ? ? ? ?libskgxpd.a ? ? par.bbd ? ?s0kvpf.o ? ?skrmpt.o ? sskrned.o ? ttcsoi.o

dbfsize.o ? hoaoci.o ? ? ?hsxaora.o ? ? kkpoban.o ?ksms.o ? ? kzlnlbac.o ? ? ?libskgxpu.a ? ? rfscom.o ? s0udexp.o ? skrnpt.o ? sskrsed.o ? wpspldrv.o

defopt.o ? ?hoat.o ? ? ? ?ins_rdbms.mk ?kkxntp.o ? ksnkcs.o ? libdbtools10.a ?libxdb.a ? ? ? ?rfsd.o ? ? s0udimp.o ? skrspt.o ? ssoraed.o ? xaondy.o

dmndm.o ? ? hoax.o ? ? ? ?jox.o ? ? ? ? kkxwtp.o ? ksnkkpo.o ?libdsga10.a ? ? log.bbd ? ? ? ? rfsin.o ? ?sbbdpt.o ? ?sllfls.o ? sstrced.o ? xaonsl.o

dmndmse.o ? homts.o ? ? ? joxoff.o ? ? ?kopc.o ? ? ksnktd.o ? libknlopt.a ? ? mapsga.o ? ? ? ?rfsxc.o ? ?shorm.o ? ? srfsd.o ? ?strcpt.o ? ?xsnoolap.o

先執行relink oracle，然后make -f ins_rdbms.mk install

oracle@yangDB2:/opt/oracle/10.2.0/orcl/rdbms/lib>relink oracle

oracle@yangDB2:/opt/oracle/10.2.0/orcl/rdbms/lib>make -f ins_rdbms.mk install

驗證：

SQL> startup

ORACLE instance started.

Total System Global Area 1224736768 bytes

Fixed Size ? ? ? ? ? ? ? ? ?2020384 bytes

Variable Size ? ? ? ? ? ? 318770144 bytes

Database Buffers ? ? ? ? ?889192448 bytes

Redo Buffers ? ? ? ? ? ? ? 14753792 bytes

Database mounted.

Database opened.

SQL> conn yang/yang

Connected.

SQL> col tname for a15

SQL> col tabtype for a10

SQL> select * from tab;

TNAME ? ? ? ? ? TABTYPE ? ? CLUSTERID

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

YANGB ? ? ? ? ? TABLE

YANGTAB ? ? ? ? TABLE

YANGOBJ ? ? ? ? TABLE

YANGUSER ? ? ? ?TABLE

OBJECTS ? ? ? ? TABLE

A ? ? ? ? ? ? ? TABLE

6 rows selected.

SQL> select instance_name from v$instance;

INSTANCE_NAME

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

orcl

===========遇到的問題============

第一次啟動的時候遇到ORA-00205：

SQL> startup pfile='/tmp/initorcl.ora';

ORACLE instance started.

Total System Global Area 1224736768 bytes

Fixed Size ? ? ? ? ? ? ? ? ?2020384 bytes

Variable Size ? ? ? ? ? ? 318770144 bytes

Database Buffers ? ? ? ? ?889192448 bytes

Redo Buffers ? ? ? ? ? ? ? 14753792 bytes

ORA-00205: error in identifying control file, check alert log for more info

檢查告警日志文件，發現如下錯誤：

Errors in file /opt/oracle/admin/orcl/udump/orcl_ora_705.trc:

ORA-00313: open failed for members of log group 1 of thread 1

ORA-00312: online log 1 thread 1: '/opt/oracle/oradata/orcl/redo01.log'

ORA-27037: unable to obtain file status

Linux-x86_64 Error: 2: No such file or directory

Additional information: 3

Sat Aug ?6 16:29:12 2011

Errors in file /opt/oracle/admin/orcl/udump/orcl_ora_705.trc:

ORA-00313: open failed for members of log group 2 of thread 1

ORA-00312: online log 2 thread 1: '/opt/oracle/oradata/orcl/redo02.log'

ORA-27037: unable to obtain file status

Linux-x86_64 Error: 2: No such file or directory

提示沒有對應的文件或者目錄。

查看數據文件，發現拷貝的時候是拷貝到/opt/oracle/ 目錄下的而不是/opt/oracle/orcl 目錄下，將數據文件移動到orcl目錄下

oracle@yangDB2:/opt/oracle/oradata>ls

control01.ctl ?control02.ctl ?control03.ctl ?example01.dbf ?redo01.log ?redo02.log ?redo03.log ?sysaux01.dbf ?system01.dbf ?temp01.dbf ?undotbs01.dbf ?users01.dbf

oracle@yangDB2:/opt/oracle/oradata>mkdir orcl

oracle@yangDB2:/opt/oracle/oradata>mv *.ctl orcl

oracle@yangDB2:/opt/oracle/oradata>mv *.dbf orcl

oracle@yangDB2:/opt/oracle/oradata>ls

orcl ?redo01.log ?redo02.log ?redo03.log

oracle@yangDB2:/opt/oracle/oradata>mv *.log orcl

oracle@yangDB2:/opt/oracle/oradata>cd orcl

oracle@yangDB2:/opt/oracle/oradata>ll

oracle@yangDB2:/opt/oracle/oradata/orcl>ll

總計 1541672

-rw-r----- 1 oracle oinstall ? 7061504 08-17 21:40 control01.ctl

-rw-r----- 1 oracle oinstall ? 7061504 08-17 21:40 control02.ctl

-rw-r----- 1 oracle oinstall ? 7061504 08-17 21:40 control03.ctl

-rw-r----- 1 oracle oinstall 104865792 08-17 21:09 example01.dbf

-rw-r----- 1 oracle oinstall ?52429312 08-17 21:09 redo01.log

-rw-r----- 1 oracle oinstall ?52429312 08-17 21:40 redo02.log

-rw-r----- 1 oracle oinstall ?52429312 08-17 21:09 redo03.log

-rw-r----- 1 oracle oinstall 335552512 08-17 21:38 sysaux01.dbf

-rw-r----- 1 oracle oinstall 513810432 08-17 21:39 system01.dbf

-rw-r----- 1 oracle oinstall ?20979712 08-17 20:59 temp01.dbf

-rw-r----- 1 oracle oinstall ?41951232 08-17 21:39 undotbs01.dbf

-rw-r----- 1 oracle oinstall 381427712 08-17 21:09 users01.dbf

再次驗證，ok！！

oracle@yangDB2:/opt/oracle/oradata/orcl>export ORCLE_SID=orcl

oracle@yangDB2:/opt/oracle/oradata/orcl>sqlplus /nolog

SQL*Plus: Release 10.2.0.1.0 - Production on Wed Aug 17 21:09:19 2011

Copyright (c) 1982, 2005, Oracle. ?All rights reserved.

SQL> conn /as sysdba

Connected.

SQL> startup

ORACLE instance started.

Total System Global Area 1224736768 bytes

Fixed Size ? ? ? ? ? ? ? ? ?2020384 bytes

Variable Size ? ? ? ? ? ? 318770144 bytes

Database Buffers ? ? ? ? ?889192448 bytes

Redo Buffers ? ? ? ? ? ? ? 14753792 bytes

Database mounted.

Database opened.

SQL> conn yang/yang

Connected.

總結

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