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Oracle使用backup as copy方式遷移數(shù)據(jù)文件的流程步驟

 更新時(shí)間:2024年07月26日 09:19:59   作者:文牧之  
Oracle數(shù)據(jù)庫的Backup As Copy是一種備份技術(shù),它創(chuàng)建一個物理一致的副本(copy),即數(shù)據(jù)文件、控制文件、在線redo日志文件以及歸檔日志等的完整拷貝,本文介紹了Oracle使用backup as copy方式遷移數(shù)據(jù)文件的流程步驟,需要的朋友可以參考下

oracle使用backup as copy方式遷移數(shù)據(jù)文件

1 基礎(chǔ)環(huán)境

--確認(rèn)數(shù)據(jù)文件路徑
set line 200
col name for a75
select file#,name from v$datafile
     FILE# NAME
---------- ---------------------------------------------------------------------------
         1 /u01/app/oracle/oradata/ORCL/system01.dbf
         3 /u01/app/oracle/oradata/ORCL/sysaux01.dbf
         4 /u01/app/oracle/oradata/ORCL/undotbs01.dbf
         5 /u01/app/oracle/oradata/ORCL/test.dbf
         7 /u01/app/oracle/oradata/ORCL/users01.dbf
		 
--目標(biāo)路徑(確認(rèn)目標(biāo)路徑的所屬)
/oradata/ORCL

[root@test ~]# ll /oradata/
total 0
drwxrwxr-x 2 oracle oinstall 6 Jul 25 02:37 ORCL

2 重新起庫到mount狀態(tài)

SQL> shu immediate
SQL> startup mount;

3 backup as copy 方式改路徑

rman target /

backup as copy datafile 1 format '/oradata/ORCL/system01.dbf';
backup as copy datafile 3 format '/oradata/ORCL/sysaux01.dbf';
backup as copy datafile 4 format '/oradata/ORCL/undotbs01.dbf';
backup as copy datafile 5 format '/oradata/ORCL/test.dbf';
backup as copy datafile 7 format '/oradata/ORCL/users01.dbf';

switch datafile 1 to copy;
switch datafile 3 to copy;
switch datafile 4 to copy;
switch datafile 5 to copy;
switch datafile 7 to copy;

4 確認(rèn)文件路徑是否是目標(biāo)路徑

SQL> set line 200
SQL> col name for a75
SQL> select file#,name from v$datafile;

     FILE# NAME
---------- ---------------------------------------------------------------------------
         1 /oradata/ORCL/system01.dbf
         3 /oradata/ORCL/sysaux01.dbf
         4 /oradata/ORCL/undotbs01.dbf
         5 /oradata/ORCL/test.dbf
         7 /oradata/ORCL/users01.dbf

[oracle@test ~]$ cd /oradata/ORCL/
[oracle@test ORCL]$ ll
total 3986472
-rw-r----- 1 oracle oinstall  618668032 Jul 25 02:47 sysaux01.dbf
-rw-r----- 1 oracle oinstall  954212352 Jul 25 02:47 system01.dbf
-rw-r----- 1 oracle oinstall 2147491840 Jul 25 02:47 test.dbf
-rw-r----- 1 oracle oinstall  356524032 Jul 25 02:47 undotbs01.dbf
-rw-r----- 1 oracle oinstall    5251072 Jul 25 02:47 users01.dbf

5 起庫到open狀態(tài)

alter database open;
select open_mode,database_role from v$database;

6 檢查alert日志,如無報(bào)錯,則通知業(yè)務(wù)起應(yīng)用

7 如果有dg庫,請注意修改備庫上的convert參數(shù)

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