ORACLE11g 重装系统后根据dbf恢复数据库

1.安装一个和原系统一致的oracle 环境，主要包括版本、数据名sid、实例名、路径和数据库编码一致

2.修改listener.ora的参数

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = D:oracleproduct10.1.0db_1)
      (PROGRAM = extproc)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = orcl) //如果已经有这个orcl了，这个文件就不用修改
      (ORACLE_HOME = D:oracleproduct10.1.0db_1) //这里要根据你的实际路径来
      (SID_NAME = orcl)
    )
  )
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = lypch )(PORT = 1521))
      )
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
      )
    )
  )

AMMICLY =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = lypch )(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
      (UR=A) //参数允许只进行管理性的连接，数据库nomount,mount或者restricted时，动态监听显示状态为BLOCKED时，客户端配置UR=A进行连接。
    )
  )
EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )

4.原oracle库主目录下的FLASH_RECOVERY_AREA目录全部覆盖到新安装的oracle对应目录下

5.SQL>startup 再次启动服务

有什么问题加qq654382144，大家一起讨论学习！！！

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