Oracle11g数据库参数文件误删除恢复-创新互联

本文测试了误删除spfile，pfile，init.ora等文件后的恢复方法，考虑多种场景，在不同场景下进行参数文件恢复。

第一步：连上数据库，查看spfile文件所在路径

1. [oracle@ora11g ~]$ sqlplus / as sysdba
   
2. 
   
3. SQL*Plus: Release 11.2.0.4.0 Production on Wed Aug 2 11:37:08 2017
   
4. 
   
5. Copyright (c) 1982, 2013, Oracle. All rights reserved.
   
6. 
   
7. Connected to an idle instance.
   
8. 
   
9. SYS@cams>startup;
   
10. ORACLE instance started.
    
11. 
    
12. Total System Global Area 776646656 bytes
    
13. Fixed Size         2257272 bytes
    
14. Variable Size         478154376 bytes
    
15. Database Buffers     289406976 bytes
    
16. Redo Buffers         6828032 bytes
    
17. Database mounted.
    
18. Database opened.
    
19. SYS@cams>show parameter pfile;
    
20. 
    
21. NAME                 TYPE     VALUE
    
22. ------------------------------------ ----------- ------------------------------
    
23. spfile                 string     /u01/app/oracle/product/11.2.0
    
24.                          /db_1/dbs/spfilecams.ora