Should you configure a standby system through high-availability disaster recovery?
应该通过高可用性灾难恢复配置一个备用系统吗？
Figure 5 illustrates the HADR processes synchronizing a primary and standby system.
图5演示了同步主系统和备用系统的HADR过程。
Once the standby system receives the log write, it sends acknowledgements to the primary.
备用系统收到日志写后，将确认通知发送到主系统。
The standby system does not write the log until it hears from the primary that that the same log is on disk there.
而备用服务器直到从主服务器收到消息，得知它磁盘上具有相同的日志，才写入该日志。
Replication will begin queuing changed data for return of the primary site as soon as the updated apps hit the standby system.
复制将在更新后的应用程序到达备用系统时立即开始排队更改后的数据，以备恢复主站点。
The two-unit cold standby system and the two-unit warm standby system are discussed.
本文讨论两元件冷储备系统和热储备系统。
This paper deals with a hot standby system composed of two identical units, a repairer and a switch.
本文研究由两个相同部件、一个修理工和一个转换开关组成的热贮备系统。
In the methods of improving system availability, hot-standby system is a usual and effective solution.
在提高系统可用性的方法中，双机热备是一个常见并且有效的实现方法。
The basic method by which HADR replicates data is to send DB2 log writes simultaneously to the local disk and to the standby system.
HADR复制数据的基本方法是将DB 2日志写同时发送到本地磁盘和备用系统。
The classic example is a disaster recovery test, which involves failing over to a warm standby system, testing the applications, and then failing back to the primary systems.
典型示例是灾难恢复测试，其中涉及故障转移到热备用系统、测试应用程序，然后退回到主系统。
From this point, we can conclude that the realization mechanism of duplicate hot standby system will be related to the overall performance of the whole communication system.
由此可以看出，双机热备份实现机制的优劣便是关系到整个通信系统的整体性能。
This paper describes how to improve reliability by using a way of high availability method:two-node hot-standby redundancy, and two double-node hot-standby system models are given.
本文提出了一种双机容错服务器的解决方案，同时支持双机热备份和互备援两种工作模式， 可以为用户提供不间断的数据服务。
Each broker instance is embedded into a WebSphere MQ service so that, when the queue manager switches over to the standby system, the broker is automatically started on the standby node.
每个代理实例都嵌入到一个WebSphereMQ服务中，以便当队列管理器切换到备用系统时，代理自动在备用节点上启动。
Each broker instance is embedded into a WebSphere MQ service so that, when the queue manager switches over to the standby system, the broker is automatically started on the standby node.
每个代理实例都嵌入到一个WebSphereMQ服务中，以便当队列管理器切换到备用系统时，代理自动在备用节点上启动。
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