ORACLE 数据库RMAN备份恢复
2024-08-29 13:56:41
供稿：网友
机器A:
select instance_name from v$instance;
select name from v$database;
select name from v$datafile;
查询日志模式：
archive log list;
shutdown immediate;
startup mount;
把日志改为归档模式：
alter database archivelog;
alter database open;
alter system archive log current;
select name from v$archived_log;
打开控制文件跟踪：
alter database backup controlfile to trace;
查看跟踪文件位置：
show parameter user_dump_dest
cmd：
set oracle_sid=orcl
rman target sys/abc
host "md c:/back";
run
{
backup database;
format 'c:/back/%d_%s_%T_full.bak';
}
select file#,name from v$datafile;
传送以下文件到机器B:
c:/back
d:/oracle/product/10.2.0/admin/orcl
CREATE CONTROLFILE SET DATABASE "ORCL" RESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/REDO01.LOG' SIZE 50M,
GROUP 2 'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/REDO02.LOG' SIZE 50M,
GROUP 3 'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/REDO03.LOG' SIZE 50M
-- STANDBY LOGFILE
DATAFILE
'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/SYSTEM01.DBF',
'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/UNDOTBS01.DBF',
'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/SYSAUX01.DBF',
'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/USERS01.DBF',
'E:/ORACLE/PRODUCT/10.2.0/ORADATA/ORCL/XM'
CHARACTER SET ZHS16GBK
机器B:
创建要恢复oracle的目录
e:/oracle/product/10.2.0/oradata/orcl
e:/oracle/product/10.2.0/admin
e:/oracle/product/10.2.0/falsh_recovery_area
把收到的文件夹orcl放到e:/oracle/product/10.2.0/admin
拷贝
e:/oracle/product/10.2.0/admin/orcl/pfile中的参数文件到自己真实数据库db_1/database文件夹中，并改名为initorcl.ora
打开initorcl.ora
把里面的路径改为真实oracle数据库的位置
d:/替换为e:/
cmd1：
set oracle_sid=orcl
oracle orcl
等到提示ctrl+c
cmd2：
set oracle_sid=orcl
sqlplus / as sysdba
startup nomount;
cmd3:
set oracle_sid=orcl
rman target sys/abc
restore controlfile from 'C:/back/ORCL_2_20090414_FULL.BAK';
cmd2:
alter database mount;
cmd3:
run{
set newname for datafile 1 to 'E:/oracle/product/10.2.0/oradata/orcl/SYSTEM01.DBF';
set newname for datafile 2 to 'E:/oracle/product/10.2.0/oradata/orcl/UNDOTBS01.DBF';
set newname for datafile 3 to 'E:/oracle/product/10.2.0/oradata/orcl/SYSAUX01.DBF';
set newname for datafile 4 to 'E:/oracle/product/10.2.0/oradata/orcl/USERS01.DBF';
set newname for datafile 5 to 'E:/oracle/product/10.2.0/oradata/orcl/XM';
restore database;
switch datafile all;
}
cmd2:
select name from v$database;
shutdown immediate;
startup mount;
alter database backup controlfile to trace;
找到跟踪文件：
重做控制文件：把里面的路径改为正确路径：
d:/改为 e:/
shutdown immediate;
startup nomount;
执行生成控制文件的语句;执行钱必须先删除.ctl的文件
alter database open resetlogs;
select name from v$database;
select member from v$logfile;
