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修改IP及VIP大概可分为7个步骤，根据metalink上的指导，步骤如下：10g RAC 双节点 环境 OS:Windows2003 Server，用户需要变更public IP，则VIP也要相应的改变原IP (OS host 文件)127.0.0.1 localhost127.0.0.1 IRRDBSVR110.41.162.93 IRRDBSVR110.41.162.94 IRRDBSVR210.10.10.1 IRRDBSVR1-PRIV10.10.10.2 IRRDBSVR2-PRIV10.41.162.95 IRRDBSVR1-VIP10.41.162.96 IRRDBSVR2-VIP变更后的新IP127.0.0.1 localhost127.0.0.1 IRRDBSVR1192.168.1.245 IRRDBSVR1192.168.1.247 IRRDBSVR210.10.10.1 IRRDBSVR1-PRIV10.10.10.2 IRRDBSVR2-PRIV192.

The Oracle Net listener, commonly known as the listener, brokers a client request, handing off the request to the server. The listener is configured with a protocol address. Clients configured with the same protocol address can send connection requests to the listener. Once a connection isestablished, the client and Oracle database server communicate directly with one another. listener.ora example# listener.ora Network Configuration File: F:OracleDBOracle_homenetworkadminlistener.ora# Generated

相信10g,emctl在给很多DBA带来很大便利的同时，也给我们带来了一些困扰。在这其中，OC4J issue应该算是一个常见的问题。就我个人而言，遇到过已经不止一次，这包括单机环境，RAC环境等。今天查找资料，便作总结：原因：是由于主机名发生变化，导致IP地址解析不能够返回正确的hostname详见下文解释：The information in this document applies to: Enterprise Manager for RDBMS - Version: 10.1.0.3This problem can occur on any platform.SymptomsGetting the following error when starting dbconsole:$ emctl start dbconsoleOC4J Con