单实例环境
vmware server 1.0.6 +centos 5.2+oracle 10g
1，停进程
2，，安装补丁
3，升级数据库
1>停止所有oracle相关进程
[oracle@node2 disk1]$ emctl stop dbconsole
[oracle@node2 disk1]$ lsnrctl stop
sql>shutdown immediate
2>安装补丁步骤
升级至10.2.0.4
下载包：p6810189_10204_linux-x86
使用dbua升级。
[oracle@linux disk1~]$ ./runinstaller
安装图像界面。
运行root.sh 脚本
[root@node2 db]# sh root.sh
running oracle10 root.sh script...
the following environment variables are set as:
oracle_owner= oracle
oracle_home= /u01/app/oracle/product/10.2.0/db
enter the full pathname of the local bin directory: [/usr/local/bin]: y
the file dbhome already exists in y. overwrite it? (y/n)
[n]: y
copying dbhome to y ...
the file oraenv already exists in y. overwrite it? (y/n)
[n]: y
copying oraenv to y ...
the file coraenv already exists in y. overwrite it? (y/n)
[n]: y
copying coraenv to y ...
entries will be added to the /etc/oratab file as needed by
database configuration assistant when a database is created
finished running generic part of root.sh script.
now product-specific root actions will be performed.
3>升级数据库。