背景介紹
由于機(jī)房服務(wù)器變更,需要將 Oracle 遷移到一臺(tái)新服務(wù)器上去。
以下是環(huán)境說明:
- 原服務(wù)器地址: 192.168.1.15
- 新服務(wù)器地址: 192.168.1.18
- 操作系統(tǒng):都是 CentOS 6.5
- 數(shù)據(jù)庫版本: 都是 11.2.0.1
新服務(wù)器上安裝和配置 Oracle
在新服務(wù)器(192.168.1.18)上安裝了Oracle,為了保險(xiǎn),主機(jī)名、數(shù)據(jù)庫實(shí)例名、安裝目錄都和原數(shù)據(jù)庫保持一致。具體安裝方法可參考:centos 6.5下安裝oracle 11gR2與Oracle自動(dòng)啟動(dòng)的配置
查詢需要拷貝的文件
- 192.168.1.15
- 需要切換到 oracle 用戶
- 使用 sqlplus 登錄進(jìn) Oracle 數(shù)據(jù)庫
SQL> show parameter pfile
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string /u01/app/oracle/product/11.2.0/dbhome_1/dbs/spfileorcl.ora
SQL> show parameter control
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
control_file_record_keep_time integer 7
control_files string /u01/app/oracle/oradata/orcl/control01.ctl, /u01/app/oracle/recovery_area/orcl/control02.ctl
control_management_pack_access string DIAGNOSTIC+TUNING
SQL> select * from v$logfile;
GROUP# STATUS TYPE MEMBER IS_RECOVERY_DEST_FILE
---------- ------- ------- -------------------------------------------------------------------------------- ---------------------
3 ONLINE /u01/app/oracle/oradata/orcl/redo03.log NO
2 ONLINE /u01/app/oracle/oradata/orcl/redo02.log NO
1 ONLINE /u01/app/oracle/oradata/orcl/redo01.log NO
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
/u01/app/oracle/oradata/orcl/system01.dbf
/u01/app/oracle/oradata/orcl/sysaux01.dbf
/u01/app/oracle/oradata/orcl/undotbs01.dbf
/u01/app/oracle/oradata/orcl/users01.dbf
/u01/app/oracle/oradata/orcl/users02.dbf
SQL> select name from v$tempfile;
NAME
--------------------------------------------------------------------------------
/u01/app/oracle/oradata/orcl/temp01.dbf
根據(jù)以上查詢結(jié)果,發(fā)現(xiàn)有以下文件需要拷貝:
/u01/app/oracle/product/11.2.0/dbhome_1/dbs/spfileorcl.ora
/u01/app/oracle/oradata/orcl/control01.ctl
/u01/app/oracle/recovery_area/orcl/control02.ctl
/u01/app/oracle/oradata/orcl/redo03.log
/u01/app/oracle/oradata/orcl/redo02.log
/u01/app/oracle/oradata/orcl/redo01.log
/u01/app/oracle/oradata/orcl/system01.dbf
/u01/app/oracle/oradata/orcl/sysaux01.dbf
/u01/app/oracle/oradata/orcl/undotbs01.dbf
/u01/app/oracle/oradata/orcl/users01.dbf
/u01/app/oracle/oradata/orcl/users02.dbf
/u01/app/oracle/oradata/orcl/users03.dbf
/u01/app/oracle/oradata/orcl/temp01.dbf
停掉原數(shù)據(jù)庫與新數(shù)據(jù)庫
- 192.168.1.15 和 192.168.1.18
- 使用 root 用戶
使用scp拷貝文件到新服務(wù)器
- 192.168.1.15
- scp 命令可以把文件復(fù)制到遠(yuǎn)程 Linux 服務(wù)器,可以參考:scp 命令
scp /u01/app/oracle/product/11.2.0/dbhome_1/dbs/spfileorcl.ora oracle@192.168.1.18:/u01/app/oracle/product/11.2.0/dbhome_1/dbs/spfileorcl.ora
scp /u01/app/oracle/oradata/orcl/control01.ctl oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/control01.ctl
scp /u01/app/oracle/recovery_area/orcl/control02.ctl oracle@192.168.1.18:/u01/app/oracle/recovery_area/orcl/control02.ctl
scp /u01/app/oracle/oradata/orcl/redo03.log oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/redo03.log
scp /u01/app/oracle/oradata/orcl/redo02.log oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/redo02.log
scp /u01/app/oracle/oradata/orcl/redo01.log oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/redo01.log
scp /u01/app/oracle/oradata/orcl/system01.dbf oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/system01.dbf
scp /u01/app/oracle/oradata/orcl/sysaux01.dbf oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/sysaux01.dbf
scp /u01/app/oracle/oradata/orcl/undotbs01.dbf oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/undotbs01.dbf
scp /u01/app/oracle/oradata/orcl/users01.dbf oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/users01.dbf
scp /u01/app/oracle/oradata/orcl/users02.dbf oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/users02.dbf
scp /u01/app/oracle/oradata/orcl/users03.dbf oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/users03.dbf
scp /u01/app/oracle/oradata/orcl/temp01.dbf oracle@192.168.1.18:/u01/app/oracle/oradata/orcl/temp01.dbf
等待拷貝完成
嘗試啟動(dòng)新數(shù)據(jù)庫
- 192.168.1.18
- 使用 oracle 用戶
dba 登錄進(jìn)行啟動(dòng)數(shù)據(jù)庫
[oracle@oracle ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Thu Sep 17 09:26:11 2015
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 6747725824 bytes
Fixed Size 2213976 bytes
Variable Size 5100275624 bytes
Database Buffers 1610612736 bytes
Redo Buffers 34623488 bytes
Database mounted.
Database opened.
注意最后一句,到這里就啟動(dòng)成功了。這次很順利,沒有出現(xiàn)意外。也可以通過以下語句檢測數(shù)據(jù)庫的狀態(tài):
SQL> select status from v$instance;
STATUS
------------
OPEN
如果 Database mounted
成功后報(bào)錯(cuò),也就是數(shù)據(jù)庫最終不是 open 狀態(tài),只是 mounted 狀態(tài), 可以嘗試恢復(fù)數(shù)據(jù)庫。
完成后,再打開數(shù)據(jù)庫,一般可以成功。
驗(yàn)證兩個(gè)庫的數(shù)據(jù)
根據(jù)自己的實(shí)際情況進(jìn)行驗(yàn)證, 這里不再贅述.
總結(jié)
以上就是這篇文章的全部內(nèi)容了,希望本文的內(nèi)容對(duì)大家學(xué)習(xí)或者工作能帶來一定的幫助,如果有疑問大家可以留言交流。
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