http://msdn.microsoft.com/en-us/library/azure/jj870962.aspx Microsoft Azure virtual machines (VMs) with SQL Server can help lower the cost of a high availability and disaster recovery (HADR) database solution. Most SQL Server HADR solutions are suppo…
Disaster Recovery, High Availability, and Continuous Availability - What's the Difference? Posted bydavid ton September 7, 2010 at 12:30am View Blog Last month I posted a video that gave a brief overview of how data replication is used for continuous…
Performing a full database disaster recovery with RMAN1. Make the RMAN backup set pieces available.2. Restore the database spfile from autobackups. --先恢复参数文件3. Restore the control file from autobackups.--再恢复控制文件4. Run the RMAN restore and recover co…
High availability 和disaster recovery不是一回事. 尽管在规划和解决方案上有重叠的部分, 它们俩都是business contiunity的子集. HA的目的是在主数据中心内部, 提供弹性(resiliency)支持和计划允许内的宕机的时间. DR的目的是使得一个组织能在第一个数据中心发生灾难且影响到了基础设施的可用性的时候, 在第二个数据中心恢复计算机的正常使用. High availability and disaster recovery are no…
