配置RAC+DG的时候，发现在配置监听这里不太顺利，先将其记下。以下配置仅为监听部分的配置。
环境：
RAC（主库）双节点
备库为单实例
Rdbms版本：11R2
RAC节点1：
$ pwd
/pmsdb/oracle/11.1.0/network/admin
$ cat listener.ora
# listener.ora.i2prddb5 Network Configuration File: /pmsdb/oracle/11.1.0/network/admin/listener.ora.i2prddb5
# Generated by Oracle configuration tools.

SID_LIST_LISTENER=(SID_LIST=(SID_DESC=(GLOBAL_DBNAME=PMSZKFDB)(ORACLE_HOME=/pmsdb/oracle/11.1.0)(SID_NAME=ZKFP1)))

LISTENER_PMSZFPD3 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = PMSZFPD3-vip)(PORT = 1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.139)(PORT = 1521)(IP = FIRST))
    )
)
zkf_pri =
(DESCRIPTION =
          (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = PMSZFPD3)(PORT = 1521))
          )
(CONNECT_DATA =
   (SERVICE_NAME = ZKF_PRI)
    )
    )

$ cat tnsnames.ora
# tnsnames.ora Network Configuration File: /pmsdb/oracle/11.1.0/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

LISTENER_DB =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.141)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.142)(PORT = 1521))
)

zkf_pri =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.141)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ZKF_PRI)
    )
)

zkf_stb =
    (DESCRIPTION =
        (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.233)(PORT = 1521))
          )
      (CONNECT_DATA =
        (SERVER = DEDICATED)
        (SERVICE_NAME = ZKF_STB)
      )
        )
zkfp2 =
(DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.140)(PORT = 1521))
          (CONNECT_DATA =
                (SERVER = DEDICATED)
                      (SERVICE_NAME = ZKF_PRI)
                          )
                            )
LISTENER_SCAN =
(ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.143)(PORT = 1521))

RAC节点2：
$ pwd
/pmsdb/oracle/11.1.0/network/admin
$ cat listener.ora
# listener.ora.i2prddb5 Network Configuration File: /pmsdb/oracle/11.1.0/network/admin/listener.ora.i2prddb5
# Generated by Oracle configuration tools.
SID_LIST_LISTENER=(SID_LIST=(SID_DESC=(GLOBAL_DBNAME=PMSZKFDB)(ORACLE_HOME=/pmsdb/oracle/11.1.0)(SID_NAME=ZKFP2)))

LISTENER_PMSZFPD4 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = PMSZFPD4-vip)(PORT = 1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.140)(PORT = 1521)(IP = FIRST))
    )
)
zkf_pri =
   (DESCRIPTION =
           (ADDRESS_LIST =
       (ADDRESS = (PROTOCOL = TCP)(HOST = PMSZFPD4)(PORT = 1521))
           )
   (CONNECT_DATA =
    (SERVICE_NAME = ZKF_PRI)
     )
     )

$ cat tnsnames.ora
# tnsnames.ora Network Configuration File: /pmsdb/oracle/11.1.0/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

LISTENER_DB =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.141)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.142)(PORT = 1521))
)

zkfp2 =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.140)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ZKF_PRI)
    )
)
zkf_stb =
     (DESCRIPTION =
      (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.233)(PORT = 1521))
      )
    (CONNECT_DATA =
        (SERVER = DEDICATED)
          (SERVICE_NAME = ZKF_STB)
        )
        )
zkf_pri =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.141)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ZKF_PRI)
     )
    )
LISTENER_SCAN =
(ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.143)(PORT = 1521))
    )

备库DG（单实例）：
$ pwd
/pmsdb/oracle/ZKFT1/11.1.0/network/admin
$ cat listener.ora
# listener.ora Network Configuration File: /pmsdb/oracle/ZKFT1/11.1.0/network/admin/listener.ora
# Generated by Oracle configuration tools.

ZKF_STB =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.233)(PORT = 1523))
)

SID_LIST_ZKF_STB =
(SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = ZKF_STB)
      (ORACLE_HOME = /pmsdb/oracle/ZKFT1/11.1.0)
      (SID_NAME = ZKFP1)
    )
)

$ cat tnsnames.ora
# tnsnames.ora Network Configuration File: /pmsdb/oracle/ZKFT1/11.1.0/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

ZKF_PRI =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.141)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ZKF_PRI)
    )
)

ZKF_STB =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.233)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ZKF_STB)
    )
)

ZKFP2 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.29.96.140)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ZKF_PRI)
    )
)

TEST =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = I2TRNDB2)(PORT = 1523))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = TEST)
    )
)

配置RAC+DG时---监听部分配置