数据库数据文件有备份的恢复 ORA-01157 【续+1】

目的：

测试将数据库关闭状态下，将数据文件删除（把数据文件做备份），启动数据库报错， 如何恢复数据文件？？

启动数据库如何恢复 没有换路径的数据文件  和  更换路径的数据文件

继续试验  

http://blog.csdn.net/wanghui5767260/article/details/20293807

准备环境：

创建两个表空间  tyger1  和  tyger2   

创建两个用户    tu1  默认表空间  tyger1   

       tu2  默认表空间   tyger2 

在每个用户下创建相应的测试表     tu1  用户   tu1_t1

           tu2  用户   tu2_t2

[oracle@tyger ORCL]$ sqlplus / as sysdba


SQL*Plus: Release 10.2.0.1.0 - Production on Mon Mar 3 10:28:36 2014


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




Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options


SYS@ORCL>create tablespace tyger1 datafile '/u01/app/oracle/oradata/ORCL/tyger1_01.dbf' size 5m;


Tablespace created.


SYS@ORCL>create tablespace tyger2 datafile '/u01/app/oracle/oradata/ORCL/tyger2_01.dbf' size 5m;


Tablespace created.


SYS@ORCL>create user tu1 identified by tu1 account unlock default tablespace tyger1;


User created.


SYS@ORCL>create user tu2 identified by tu2 account unlock default tablespace tyger2;


User created.


SYS@ORCL>grant connect,resource,select any table to tu1;


Grant succeeded.


SYS@ORCL>grant connect,resource,select any table to tu2;


Grant succeeded.


SYS@ORCL>conn tu1/tu1
Connected.
TU1@ORCL>create table tu1_t1 as select * from scott.emp;


Table created.


TU1@ORCL>select count(*) from tu1_t1;


  COUNT(*)
----------
        14


TU1@ORCL>conn tu2/tu2
Connected.
TU2@ORCL>create table tu2_t2 as select * from scott.emp;


Table created.


TU2@ORCL>select count(*) from tu2_t2;


  COUNT(*)
----------
        14


TU2@ORCL>conn / as sysdba
Connected.
SYS@ORCL>col file_name for a50
SYS@ORCL>col tablespace_name for a20
SYS@ORCL>select tablespace_name,file_name from dba_data_files;


TABLESPACE_NAME      FILE_NAME
-------------------- --------------------------------------------------
USERS                /u01/app/oracle/oradata/ORCL/users01.dbf
SYSAUX               /u01/app/oracle/oradata/ORCL/sysaux01.dbf
UNDOTBS1             /u01/app/oracle/oradata/ORCL/undotbs01.dbf
SYSTEM               /u01/app/oracle/oradata/ORCL/system01.dbf
EXAMPLE              /u01/app/oracle/oradata/ORCL/example01.dbf
TYGER1               /u01/app/oracle/oradata/ORCL/tyger1_01.dbf
TYGER2               /u01/app/oracle/oradata/ORCL/tyger2_01.dbf


7 rows selected.


SYS@ORCL>select tablespace_name,status from dba_tablespaces;


TABLESPACE_NAME      STATUS
-------------------- ---------
SYSTEM               ONLINE
UNDOTBS1             ONLINE
SYSAUX               ONLINE
TEMP                 ONLINE
USERS                ONLINE
EXAMPLE              ONLINE
TYGER1               ONLINE
TYGER2               ONLINE


8 rows selected.


SYS@ORCL>!
[oracle@tyger ORCL]$ ls
control01.ctl  redo03.log        standbylog6b.log  tyger1_01.dbf
control02.ctl  standbylog4a.log  standbylog7a.log  tyger2_01.dbf
control03.ctl  standbylog4b.log  standbylog7b.log  undotbs01.dbf
example01.dbf  standbylog5a.log  sysaux01.dbf      users01.dbf
redo01.log     standbylog5b.log  system01.dbf
redo02.log     standbylog6a.log  temp01.dbf
[oracle@tyger ORCL]$ mv tyger1_01.dbf tyger1_01.dbf.bak
[oracle@tyger ORCL]$ mv tyger2_01.dbf tyger2_01.dbf.bak
[oracle@tyger ORCL]$ ls
recontrol01.ctl  redo03.log        standbylog6b.log  tyger1_01.dbf.bak
control02.ctl  standbylog4a.log  standbylog7a.log  tyger2_01.dbf.bak
control03.ctl  standbylog4b.log  standbylog7b.log  undotbs01.dbf
example01.dbf  standbylog5a.log  sysaux01.dbf      users01.dbf
redo01.log     standbylog5b.log  system01.dbf
redo02.log     standbylog6a.log  temp01.dbf
[oracle@tyger ORCL]$ mv tyger1_01.dbf.bak tyger1_01.dbf
[oracle@tyger ORCL]$ mv tyger2_01.dbf.bak tyger2_01.dbf
[oracle@tyger ORCL]$ exit
exit


SYS@ORCL>shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SYS@ORCL>!
[oracle@tyger ORCL]$ mv tyger1_01.dbf tyger1_01.dbf.bak
[oracle@tyger ORCL]$ mv tyger2_01.dbf tyger2_01.dbf.bak
[oracle@tyger ORCL]$ exit
exit


SYS@ORCL>startup
ORACLE instance started.


Total System Global Area  285212672 bytes
Fixed Size                  1218992 bytes
Variable Size             150996560 bytes
Database Buffers          130023424 bytes
Redo Buffers                2973696 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/u01/app/oracle/oradata/ORCL/tyger1_01.dbf'




SYS@ORCL>alter database datafile 6 offline;


Database altered.


SYS@ORCL>alter database open;
alter database open
*
ERROR at line 1:
ORA-01157: cannot identify/lock data file 7 - see DBWR trace file
ORA-01110: data file 7: '/u01/app/oracle/oradata/ORCL/tyger2_01.dbf'




SYS@ORCL>alter database datafile 7 offline;


Database altered.


SYS@ORCL>alter database open;


Database altered.


SYS@ORCL>select tablespace_name,status from dba_tablespaces;


TABLESPACE_NAME      STATUS
-------------------- ---------
SYSTEM               ONLINE
UNDOTBS1             ONLINE
SYSAUX               ONLINE
TEMP                 ONLINE
USERS                ONLINE
EXAMPLE              ONLINE
TYGER1               ONLINE
TYGER2               ONLINE


8 rows selected.


SYS@ORCL>!
[oracle@tyger ORCL]$ mv tyger1_01.dbf.bak tyger1_01.dbf
[oracle@tyger ORCL]$ mv tyger2_01.dbf.bak ../tyger2_01.dbf
[oracle@tyger ORCL]$ cd ..
[oracle@tyger oradata]$ ls
ORCL  tyger2_01.dbf
[oracle@tyger oradata]$ pwd
/u01/app/oracle/oradata
[oracle@tyger oradata]$ exit
exit


SYS@ORCL>alter tablespace tyger1 online;


Tablespace altered.


SYS@ORCL>alter tablespace tyger2 online;
alter tablespace tyger2 online
*
ERROR at line 1:
ORA-01157: cannot identify/lock data file 7 - see DBWR trace file
ORA-01110: data file 7: '/u01/app/oracle/oradata/ORCL/tyger2_01.dbf'




SYS@ORCL>alter database rename file '/u01/app/oracle/oradata/ORCL/tyger2_01.dbf' to '/u01/app/oracle/oradata/tyger2_01.dbf';


Database altered.


SYS@ORCL>alter tablespace tyger2 online;


Tablespace altered.


SYS@ORCL>conn tu1/tu1
Connected.
TU1@ORCL>select count(*) from tu1_t1;


  COUNT(*)
----------
        14


TU1@ORCL>conn tu2/tu2
Connected.
TU2@ORCL>select count(*) from tu2_t2;


  COUNT(*)
----------
        14