第一部分
一,基本概念
Oracle restart是一个11g新加入的特性
作用：安装Oracle restart后，当由于硬件或者软件故障加载失败或者数据库由于某些原因重启后，oracle的各种组件能够自动重启
可以重启的组件内容：(也就是由oracle restart管理的组件)
Component
Notes
Database instance
Oracle Restart can accommodate multiple databases on a single host computer.
Oracle Net listener
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Database services
Does not include the default service created upon installation because it is automatically managed by Oracle Database, and does not include any default services created during database creation.
Oracle Automatic Storage Management (Oracle ASM) instance
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Oracle ASM disk groups
Restarting a disk group means mounting it.
Oracle Notification Services (ONS)
In a standalone server environment, ONS can be used in Oracle Data Guard installations for automating failover