尝试故障切换的最大尝试次数。
The Max number of times FailoverProxyProvider should attempt failover.
故障切换时发生一个节点失败，而在执行一项或多项工作之中。
Fail-over occurs when one of the nodes fails while in the midst of executing one or more jobs.
当使用nfsv3时，可以使用两项技术提供更合适的故障切换操作。
When using NFSv3, you can use two techniques to provide a more appropriate failover behavior.
发生故障时，VCS会将组件从发生故障的节点故障切换至备用节点。
In the event of a malfunction, the VCS fails over the components from the malfunctioning node to the spare node.
并且机组控制器可完成各机组间的定时切换及故障切换，同时便于空调系统的集中管理。
A controller can complete the timing switching and fault switching for units. It also centralizes the management which is convenient for air conditioning system.
以只读方式打开物理备库可以延长失败或中断恢复的时间，因为数据库必须在故障切换后重新启动。
Opening the physical standby database read-only may lengthen the time it takes to recover from a failure or outage, because the database must be restarted after a failover.
引进故障预测机制提高故障切换的效率，并对基于预测的故障切换算法的正确性和合理性进行了证明。
And then introduce the failure predication mechanism to promote the efficiency of the failover, and prove the correctness and rationality of the failover algorithm based on predication.
但是对于生产环境来说，需要安装RationalAssetManager集群来提供负载均衡和故障切换功能。
However for a production environment, you need to install a Rational Asset Manager cluster for workload balancing and failover capabilities.
业务连续性保障如果一个数据中心存储设备出现故障，两种双活模式所进行的故障切换过程对业务层来说，是完全无感知的。
Business continuity guarantees that if a data center storage device fails, the failure of the two dual mode switching process is completely unaware of the business layer.
本文分析了高可用集群冗余网络中故障切换策略、地址接管技术的工作原理和特点，为高可用集群中的网络故障切换策略提供了依据。
Address takeover is the base of failover strategies, the principle and the feature of them are analysed, and the accordance on how to build a high availability cluster is offered.
虽然有多种版本的故障切换控制器，但是hadoop默认的是ZooKeeper，它也可确保只有一个namenode是处于活动状态。
There are various failover controllers, but the default implementation USES ZooKeeper to ensure that only one name node is active.
OracleNoSQLDatabase是一种键-值数据存储，设计时考虑到了高扩展性和高可用性，并可部署于多个互相复制的节点上，以便进行快速故障切换及负载均衡。
The Oracle NoSQL Database is a key-value datastore designed for high scalability and availability, and deployed on multiple replicated nodes for rapid failover and load balancing.
演示中使用该工具模拟主服务器上的一个故障，并切换到备用服务器。
This tool is used in the demonstration to simulate a failure on the primary server and make a switch to the secondary server.
如果主分页VIOS分区停止运行或者执行手工切换，就向从分页VIOS分区执行故障转移。
If the primary paging VIOS partition is shut down or you force a manual switch, a failover to the secondary paging VIOS partition is performed.
在11：10pm，发生了一个严重的故障：自动飞行取消了，一个关键的计算机系统切换到了备用电源，并且无法控制飞机稳定飞行。
At 11.10pm, a series of problems began: the autopilot disengaged, a key computer system switched to alternative power, and controls needed to keep the plane stable were damaged.
当一个队列管理器由于某种原因而出现故障时，将会导致关联代理失败；MessageBroker然后将切换到备用实例。
When a queue manager goes down for any reason, this will cause the associated broker to fail; Message broker will then switch to the standby instance.
Laurent谈到了两个典型的关于故障转移的例子，并解释JPPF如何在这种情况下切换到一个不同的节点。
Laurent talked about 2 typical cases of failure and how JPPF fails over to a different node in these scenarios.
在硬件故障时进行主机切换。
当出现故障时，通过一个命令将备用系统的角色切换为主系统的角色。
In the event of a failure, the standby's role can be switched to primary with a single command.
故障转移：故障转移的基本任务保持相同：将处理切换到辅助节点，然后再切换回去。
Failover: the basic tasks of failover remain the same: switch processing to the secondary node and, later, switch back.
我们来看看两个故障转移场景：一个受控切换，一个由于电源或网络故障导致的失控切换。
Consider two failover scenarios: a controlled switchover and an uncontrolled switchover due to a power or network failure.
设置了一个故障转移连接，用于将更新的应用程序自动从主站点切换到备用站点。
A fail-over connection is set up for automatic switchover of updating apps from primary to standby.
借助冗余服务器，从故障服务器切换到备用服务器的过程称为故障恢复(或热交换)。
With redundant servers, the process of swapping from a failed server to a spare server is called failover (or hot-swapping).
转换或故障转移涉及到断开生产节点上的IASP，并切换到备份节点上的IASP。
Switchover or failover involves varying off the IASP on the production node and varying it on the backup node.
第三段加粗的代码用于处理数据库故障转移和连接切换。
The third bold section contains code for handling database failover and connection switching.
切换的执行就像故障转移测试的第一部分。
Cutover is executed just like the first part of a failover test.
执行故障转移之后，当原来的分页VIOS分区重新运行时，并不会自动地切换回来。
After a failover, no automatic switch back will occur when the original paging VIOS partition comes up again.
故障转移：故障转移的目标是在两个功能等效的队列管理器之间切换。
Failover: The objective here is to switch between two functionally equivalent queue managers.
可以使用chhwres命令切换正在运行的分区的分页VIOS分区，稍后在分页VIOS分区故障转移一节中解释。
The active paging VIOS partition of a running partition can be switched using the chhwres command as explained in paging VIOS partition failover.
在这个实现中，heartbeat检测到主节点上的故障并通过以下步骤启动失效切换。
In this implementation, heartbeat detects a failure with the primary and then initiates failover by.
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