Oracle 10g物理DG详细配置方法及步骤

--测试环境： OS：RedHat linux(64) Primary： IP：192.168.94.198 SID：dgdb1 Hostname：dg1 DB_UNIQUE_NAME

--测试环境：
    os：redhat linux(64)
    primary：
    ip：192.168.94.198
    sid：dgdb1
    hostname：dg1
    db_unique_name：dgdb1
    database：10.2.0.1(64)
 
    standby：
    ip：192.168.94.199
    sid：dgdb1
    hostname：dg2
    db_unique_name：dgdb1_s
    database：10.2.0.1(64)
 

--实施DG前的准备工作
    --开启数据库logging及数据库archivelog
        --开启数据库logging
          SQL> alter database force logging;
 --检查数据库是否开启archivelog
 SQL> archive log list;
 --如果数据库未开启archivelog，，则要开启archivelog
 SQL> shutdown immediate;
 SQL> startup mount;
 SQL> alter database archivelog;
 --检查数据库是否开启archivelog
 SQL> archive log list;
 

  --创建相应目录（根据具体情况，primary和standby端要一致）
        --Standby：
          mkdir –p /export/home/Oracle/product/10.2.0/oradata/dgdb1
          mkdir –p /export/home/oracle/product/10.2.0/admin/dgdb1/adump
          mkdir –p /export/home/oracle/product/10.2.0/admin/dgdb1/bdump
          mkdir –p /export/home/oracle/product/10.2.0/admin/dgdb1/cdump
          mkdir –p /export/home/oracle/product/10.2.0/admin/dgdb1/udump
          mkdir –p /export/home/oracle/product/10.2.0/admin/dgdb1/dpdump
          mkdir –p /export/home/oracle/product/10.2.0/admin/dgdb1/pfile
          mkdir –p /export/home/oracle/archive
          mkdir -p /export/home/oracle/bak
        --primary：
          mkdir –p /export/home/oracle/archive
          mkdir -p /export/home/oracle/bak
 

--修改或新增listener.ora 和tnsnames.ora（或者用GUI工具配置）
    --注意：listener.ora 中新增的部分在括号内而非括号外
    --primary端：
 --listener.ora：
 SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = /export/home/oracle/product/10.2.0)
      (PROGRAM = extproc)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = dgdb1)
      (ORACLE_HOME = /export/home/oracle/product/10.2.0)
      (SID_NAME = dgdb1) 
    )
  )
 LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = dg1)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
    )
  )
 

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--tnsnames.ora
 dgdb1 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.94.198)(PORT = 1521))
    )
    (CONNECT_DATA =
 (SERVER = DEDICATED)
        (SERVICE_NAME = dgdb1)
    )
  )
 
 dgdb1_s =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.94.199)(PORT = 1521))
    )
    (CONNECT_DATA =
          (SERVER = DEDICATED)
        (SERVICE_NAME = dgdb1)
    )
  )
 

  --standby端：
      --listener.ora:
    SID_LIST_LISTENER =
      (SID_LIST =
        (SID_DESC =
        (SID_NAME = PLSExtProc)
        (ORACLE_HOME = /export/home/oracle/product/10.2.0)
        (PROGRAM = extproc)
        )
        (SID_DESC =
        (GLOBAL_DBNAME = dgdb1)
        (ORACLE_HOME = /export/home/oracle/product/10.2.0)
        (SID_NAME = dgdb1) 
        )
        )
      LISTENER =
      (DESCRIPTION_LIST =
      (DESCRIPTION =
        (ADDRESS = (PROTOCOL = TCP)(HOST = dg2)(PORT = 1521))
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
      )
      )
    --tnsnames.ora
    dgdb1 =
    (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.94.198)(PORT = 1521))
      )
      (CONNECT_DATA =
        (SERVER = DEDICATED)
        (SERVICE_NAME = dgdb1)
      )
      )
  dgdb1_s =
    (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.94.199)(PORT = 1521))
    )
    (CONNECT_DATA =
        (SERVER = DEDICATED)
        (SERVICE_NAME = dgdb1)
      )
    )