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Oracle 10g中获取DBID

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一般数据库能mount获取dbid比较容易C:\Users\Liangweigt;rman target /恢复管理器: Release 10.2.0.3.0 - Production on 星期五

一般数据库能mount获取dbid比较容易

C:\Users\Liangwei>rman target /

恢复管理器: Release 10.2.0.3.0 - Production on 星期五 10月 7 21:29:05 2011

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

已连接到目标数据库: TEST (DBID=2061567322, 未打开)

SQL> select dbid from v$database;

      DBID
----------
2061567322

 

数据库不能mount的情况下获取dbid的方法

1.如果有AWR报告,从AWR报告中也可以获取DBID

WORKLOAD REPOSITORY report for

DB Name         DB Id           Instance     Inst Num  Release       RAC           Host
------------      -----------------   ------------    -------------   -----------       -------         ------------
TEST           2061567322    test                1              10.2.0.3.0     NO            SS-LIANGWEI

二、从备份文件中恢复控制文件后mount数据库

RMAN> restore controlfile from 'E:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\TEST\BACKUPSET\2011_10_
07\O1_MF_NCSNF_TAG20111007T172440_78XKDLGF_.BKP';

启动 restore 于 07-10月-11
使用通道 ORA_DISK_1

通道 ORA_DISK_1: 正在复原控制文件
通道 ORA_DISK_1: 恢复完成, 用时: 00:00:04
输出文件名=E:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST\CONTROL01.CTL
输出文件名=E:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST\CONTROL02.CTL
输出文件名=E:\ORACLE\PRODUCT\10.2.0\ORADATA\TEST\CONTROL03.CTL
完成 restore 于 07-10月-11

SQL> alter database mount;

数据库已更改。

C:\Users\Liangwei>rman target /

恢复管理器: Release 10.2.0.3.0 - Production on 星期五 10月 7 21:48:52 2011

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

已连接到目标数据库: TEST (DBID=2061567322, 未打开)

三、设置错误的dbid在restore时RMAN会告诉你正确的DBID

C:\Users\Liangwei>rman target /

恢复管理器: Release 10.2.0.3.0 - Production on 星期五 10月 7 21:40:51 2011

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

连接到目标数据库: test (未装载)

RMAN> set dbid=1234567890

正在执行命令: SET DBID

RMAN>  restore database;
启动 restore 于 07-10月-11
释放的通道: ORA_DISK_1
启动 implicit crosscheck backup 于 07-10月-11
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: restore 命令 (在 10/07/2011 21:42:50 上) 失败
RMAN-12010: 自动通道分配初始化失败
RMAN-06189: 当前 DBID 1234567890 与目标装载数据库 (2061567322) 不匹配

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