DG 单实例与RAC实例 metalink ID

单实例MAA方案 
MOS上的文档MAA - Creating a Single Instance Physical Standby for a RAC Primary (文档 ID 387339.1)

RACMAA方案 MAA - Creating a RAC Physical Standby for a RAC Primary [文章 ID 380449.1]

http://blog.itpub.net/21266384/viewspace-775381/

RAC+单实例DATAGUARD 配置

http://blog.csdn.net/miyatang/article/details/9979579