一、服务器端配置：

#主机RAC1的listener.ora配置

rac1-> more listener.ora
# listener.ora.rac1 Network Configuration File: /u01/oracle/product/10.2.0/db_1/
network/admin/listener.ora.rac1
# Generated by Oracle configuration tools.

LISTENER_RAC1 =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521)(IP = FIRST))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.88)(PORT = 1521)(IP = FIRST))
    )
  )

#主机RAC2的listener.ora配置

rac2-> more listener.ora
# listener.ora.rac2 Network Configuration File: /u01/oracle/product/10.2.0/db_1/network/admin/listener.ora.rac2
# Generated by Oracle configuration tools.

LISTENER_RAC2 =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip)(PORT = 1521)(IP = FIRST))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.89)(PORT = 1521)(IP = FIRST))
    )
  )

备注：192.168.1.88和192.168.1.89是主机地址；

#RAC1 tnsname.ora配置：

rac1-> more tnsnames.ora
# tnsnames.ora Network Configuration File: /u01/oracle/product/10.2.0/db_1/netwo
rk/admin/tnsnames.ora
# Generated by Oracle configuration tools.

LISTENERS_DEVDB0 =
  (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))

DEVDB2 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
      (INSTANCE_NAME = devdb2)
    )
  )

DEVDB1 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
      (INSTANCE_NAME = devdb1)
    )
  )

DEVDB =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip)(PORT = 1521))
    (LOAD_BALANCE = yes)
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
    )
  )

LISTENERS_DEVDB =
  (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip)(PORT = 1521))
  )

EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )

#RAC2 tnsname.ora配置：

rac2-> more tnsnames.ora
# tnsnames.ora Network Configuration File: /u01/oracle/product/10.2.0/db_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

DEVDB2 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
      (INSTANCE_NAME = devdb2)
    )
  )

DEVDB1 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
      (INSTANCE_NAME = devdb1)
    )
  )

DEVDB =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip)(PORT = 1521))
    (LOAD_BALANCE = yes)
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
    )
  )

LISTENERS_DEVDB =
  (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip)(PORT = 1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip)(PORT = 1521))
  )

EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )

客户端TNSNAMES的配置：

# tnsnames.ora Network Configuration File: D:\oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

DEVDB2 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.88)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
      (INSTANCE_NAME = devdb2)
    )
  )

DEVDB1 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.89)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
      (INSTANCE_NAME = devdb1)
    )
  )

DEVDB =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.88)(PORT = 1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.89)(PORT = 1521))
    (LOAD_BALANCE = yes)
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = devdb)
    )
  )