oracle 异机恢复 从asm到文件系统成功实例

1.1   确实 源数据库与目标库版本一致 

语句:select * from v$version;

源库:


1.2   确认源数据库名与目标库数据库名一致 

查询数据库名语句:select name fromv$database;

如果不一致通过恢复spfile文件再把spfile文件转为为pfile文件修改数据库名;

恢复spfile

restore spfile from '/home/oracle/backup/spfile_20171103_0hsijpo8_1_1.bak';

        根据spfile创建pfile:

          createpfile from spfile;

   

 

1.3   查询源库dbid 

语句:select dbid fromv$database;


1.4   登录sqlplus 创建pfile


 

1.5   关闭数据库


1.6   进入rman  

 

1.7   由pfile启动数据库到nomount状态

语句:startup pfile ='$ORACLE_HOME/dbs/initauth.ora' nomount;


1.8   恢复控制文件

 命令:restorecontrolfile from '/home/oracle/backup/ctl_20171109_1usj3jvs_1_1.ctl'


1.9    mount数据库

   命令: alterdatabase mount;


1.10     重新注册备份集

  命令:catalogstart with '/home/oracle/backup/';


1.11      恢复数据文件

脚本如下:

   run{ 

allocate channel t1 type DISK FORMAT'/home/oracle/backup/%U';

allocate channel t2 type DISK FORMAT'/home/oracle/backup/%U';

allocate channel t3 type DISK FORMAT'/home/oracle/backup/%U';

set newname for datafile 1 to'/u01/app/oracle/oradata/AUTH/system.259.856237927';

set newname for datafile 2 to'/u01/app/oracle/oradata/AUTH/sysaux.260.856237941';

set newname for datafile 3 to'/u01/app/oracle/oradata/AUTH/undotbs1.261.856237955';

set newname for datafile 4 to'/u01/app/oracle/oradata/AUTH/undotbs2.263.856237975';

set newname for datafile 5 to'/u01/app/oracle/oradata/AUTH/users.264.856237981';

set newname for datafile 6 to'/u01/app/oracle/oradata/AUTH/auth.268.856243549';

set newname for datafile 7 to'/u01/app/oracle/oradata/AUTH/auth.269.856243795';

set newname for datafile 8 to'/u01/app/oracle/oradata/AUTH/sysaux02.dbf';

set newname for datafile 9 to'/u01/app/oracle/oradata/AUTH/system02.dbf';

restore database;

switch datafile all;

release channel t1;

release channel t2;

release channel t3;

}

等待。。。。

1.12     recover 数据库

脚本如下:

run { 

allocate channel t1 type DISK FORMAT'/home/oracle/backup/%U';

allocate channel t2 type DISK FORMAT'/home/oracle/backup/%U';

allocate channel t3 type DISK FORMAT'/home/oracle/backup/%U';

recover database;

release channel t1;

release channel t2;

release channel t3;

}


1.12.1           更改数据库,归档日志的存档终点。


  删除选中两行

alter system setlog_archive_dest='/u01/app/oracle/oradata/arch_log';

 



1.13     用resetlogs方式打开数据库

  命令: alterdatabase open resetlogs;



1.14     修改redo 日志文件位置:

在sqlplusz中

  通过 select memberfrom V$logfile;  查询

  通过 alterdatabase rename file ‘原路径’ to ‘新路径’  全部修改完毕



再次尝试resetlog方式打开数据库


删除 log 10;


再次尝试resetlog方式打开数据库

 

1.15     重建临时表空间

由于rman备份的时候并不备temporarytablespaces,所以恢复完毕后,要重新创建它们。如:

$sqlplus /nolog

SQL>conn /as sysdba

SQL> altertablespace temp add tempfile '/u01/app/oracle/oradata/AUTH/temp01.dbf' size1024m;

  

 

 

 

 

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