Active DataGuard Best Practice From ORACLE
安装步骤：
1、主库打开force logging
2、主从配置合适的归档策略
3、主库和从库配置redo组
4、配置LOG_ARCHIVE_MAX_PROCESSES
5、配置Redo Rates
5.1 Properly Configure TCP Send / Receive Buffer Sizes
5.2 Set Proper net.core.rmem_max and net.core.wmem_max limit
5.3 Increase SDU Size
5.4 Set TCP.NODELAY to YES
5.5 Determine When to Use Redo Transport Compression
6、Use Data Guard Redo Apply Best Practices
6.1 Maximize I/O Rates on Standby Redo Logs and Archived Redo Logs
6.2 Assess Recovery Rate
6.3 Set DB_BLOCK_CHECKSUM=FULL and DB_BLOCK_CHECKING=MEDIUM or FULL
6.4 Set DB_CACHE_SIZE to a Value Greater than on the Primary Database
6.5 Assess Database Wait Events
6.6 Tune I/O Operations
6.7 Assess System Resources
7、Implement Multiple Standby Databases
8、Oracle Data Guard Role Transition Best Practices
8.1 Oracle Data Guard Switchovers Best Practices
8.2 Oracle Data Guard Failovers Best Practices
8.2.1 Fast-Start Failover
8.2.2 Manual Failover