Linux AS 5.3 ,   Oracle 10.2.0.4  ,  3 Nodes    64bit  .

3 个节点分别为 1， 3， 4 (备注： 其中节点2损坏) 

现在要求1，3 节点为production 访问 ， 而节点4 为web report 查询访问， 要求节点4上的查询

动作不要影响到节点1，3 生产系统上的负载， 这里通过取消节点4的remote_listener 参数来实现。 

生产系统的客户端只连接 1， 3 的VIP ,   web report server 只连接节点 4 的实体IP .  这样生产系统

上的session 不会连接到节点 4，   节点4 上的web session 也不会连接到 1， 3 生产系统节点上。

相互不影响 。  

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mxrac01<*mxdell1*/home/oracle>$sqlplus "/as sysdba"

SQL*Plus: Release 10.2.0.4.0 - Production on Thu Feb 18 19:58:47 2010

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
             
SQL> show parameter listen

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
local_listener                       string      LOCAL_MXDELL
remote_listener                      string      LISTENERS_MXDELL
SQL>
SQL>

mxrac03<*mxdell3*/home/oracle>$sqlplus "/as sysdba"

SQL*Plus: Release 10.2.0.4.0 - Production on Thu Feb 18 20:00:28 2010

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options

SQL>
SQL> show parameter listen

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
local_listener                       string      LOCAL_MXDELL
remote_listener                      string      LISTENERS_MXDELL
SQL>

mxrac04<*mxdell4*/home/oracle>$sqlplus  "/as sysdba"

SQL*Plus: Release 10.2.0.4.0 - Production on Thu Feb 18 19:59:31 2010

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options

SQL> show parameter listen

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
local_listener                       string      LOCAL_MXDELL
remote_listener                      string
SQL>