1.2 Install Grid Control on your Management Server
图解：
DBCA建库
然后开始安装GC
NEXT 根据提示信息完成相应的小操作即可。
然后在ODD机上下载 agent
22K的文件
在考试环境中需要我们手动把PROD数据库添加到GC里面
1.4 Create a Grid Control super user called EMADMIN with password EMADMIN
右上角Setup->Administrators->create
2.Using Grid Control
2.1. Using Grid Control,change the PGA_AGGREGATE_TARGET on your PROD server to 500MB so that it will revert when the instance is restarted.
targets-> database-> administration-> Database Configuration-> All Initialization Parameters-> PGA-> Aggregate PGA Target 500M ->Apply
2.2. Using Grid Control,configure the instance to ensure that it will take up to five(5) minutes to recover your instance following an instance failure.
targets-> database-> administration-> Database Configuration-> All Initialization Parameters-> MTTR