Before we begin, let's define what we mean by the term high availability (ha).
在开始之前，我们先来定义术语高可用性(HA)的意义。
Let's begin with a quick introduction to high availability (HA) and RAID, and then explore the architecture and use of the DRBD.
让我们首先简要介绍一下高可用性(HA)和RAID，然后再研究DRBD的架构和用法。
In Part 1 of this series, I introduced you to high availability (HA) concepts and how to install and configure heartbeat.
在本系列的第1部分中，我向您介绍了高可用性(HA)概念，以及如何安装和配置heartbeat。
Create the high availability (HA) farm.
创建高可用性(HA)集群。
For those installations where high availability (HA) is a requirement, WebSphere Portal can be installed in a cluster configuration.
对于那些需要高可用性(HA)的安装，WebSpherePortal可以被安装在集群配置中。
HA Manager does not provide high availability by itself, but instead provides services used by other components to make themselves highly available.
HAManager本身不提供高可用性，而是提供其他组件使用的服务来实现其高可用性。
DB2 Express supports high availability (HA) architectures like HA clustering technologies and log shipping.
DB 2Express支持高可用性(HA)架构，比如ha集群技术和日志传输。
Presto is basically a set of WAR files that run on Tomcat container with a high availability (HA) database ( MySQL) with failover.
Presto基本上是由一套运行在Tomcat容器上的WAR文件构成的，它使用了一个高可用的数据库（MySQL）处理失败。
My first exposure to high availability (HA) was in the 1980s, working on a commercial geosynchronous communications satellite.
我首次接触高可用性(HA)是在20世纪80年代，当时在从事商业对地同步通讯卫星方面的工作。
Note that the icb-tivamha and icb-nfs-ha virtual images exist only in case dual-node high availability is exploited.
注意：只有在使用双节点高可用性时，才存在 icb-tivamha和icb-nfs-ha虚拟映象。
The Linux-HA project is widely used and is an important component in many interesting high-availability solutions.
Linux - HA项目得到了广泛的应用，是很多有趣的高可用性解决方案的重要组成部分。
Unfortunately, many off-the-shelf solutions for high availability (HA) are expensive and require expertise.
不幸的是，很多的，现成的高可用性(HA)解决方案价格昂贵，而且需要专业知识。
The high availability technology includes RAID, cluster, database replication and hardware replication. The enterprise should take one or more technology to meet his own HA requirement.
高可用技术包括RAID、集群、数据库复制和硬件复制，企业可以根据自身的情况，使用一种或多种技术，建立满足自己需求的高可用系统。
The HA pattern is implement in a broadband network billing system, it is proved to be highly improved the high availability of network applications.
该模式在宽带网络计费系统中得到应用，大大地提高了网络应用的可用性。
As one of the important devices for NGN, Signaling Gateway (SG) must have High Availability (ha) of 99.
作为下一代网络(NGN)的重要设备之一，信令网关(SG)必须具备99。
Hadoop 2 remedied this situation by adding support for HDFS high availability (HA). In this implementation, there are a pair of namenodes in an active-standby configuration.
hadoop2通过增加对ha的支持纠正了这种情况，在这种实现方式中，将会有2个namenode实现双机热备份。
Hadoop 2 remedied this situation by adding support for HDFS high availability (HA). In this implementation, there are a pair of namenodes in an active-standby configuration.
hadoop2通过增加对ha的支持纠正了这种情况，在这种实现方式中，将会有2个namenode实现双机热备份。
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