• 解决ORA-00824: cannot set sga_target due to existing


    今天Linux服务器机子重启了下,Oracle启动不起来,提示:解决ORA-00824: cannot set sga_target due to existing
    看了很多解决方法,发现下面这个特别好,特别简单
    按照这种思路:
    1、我们完全可以先用pfile的配置参数启动数据库实例
    2、通过pfile重建spfile文件(create spfile from pfile)
    3、关闭数据库实例
    4、正常启动数据库实例
     
    具体的操作如下:
    su - oracle
    [oracle@redhat pfile]$ sqlplus /nolog
    SQL*Plus: Release 10.2.0.1.0 - Production on Tue Oct 20 00:20:19 2009
    Copyright (c) 1982, 2005, Oracle.  All rights reserved.
    SQL> conn /as sysdba
    Connected to an idle instance.
    SQL>lsnrctl start
          这条语句运行后,会出现pfile文件,把这个文件弄出来备份,然后,再运行下面的语句
    SQL> startup pfile='/home/oracle/admin/zgz/pfile/init.ora.82220096537'
    --“通过pfile文件启动oracle实例”
    ORACLE instance started.
    Total System Global Area  285212672 bytes
    Fixed Size      1218968 bytes
    Variable Size     88082024 bytes
    Database Buffers   188743680 bytes
    Redo Buffers      7168000 bytes
    Database mounted.
    Database opened.
    SQL> create spfile from pfile='/home/oracle/admin/zgz/pfile/init.ora.82220096537';--“通过pfile重建spfile文件”
    File created.
    SQL> shutdown immediate 
     --"关闭数据库实例"
    Database closed.
    Database dismounted.
    ORACLE instance shut down.
    SQL> startup  --"通过spfile文件正常启动oracle实例"
    ORACLE instance started.
    Total System Global Area  285212672 bytes
    Fixed Size      1218968 bytes
    Variable Size     88082024 bytes
    Database Buffers   188743680 bytes
    Redo Buffers      7168000 bytes
    Database mounted.
    Database opened.
    SQL>
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  • 原文地址:https://www.cnblogs.com/bingzisky/p/5102300.html
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