最后，使用全系统复制，就不能利用高可用性环境的优势来缩短操作系统升级导致的中断时间或减少毁灭性硬件维护。
Finally, with full system replication, you can't take advantage of the high availability environment to reduce OS upgrade outages, or for less disruptive hardware maintenance.
例如，备份和恢复设施(包括用于故障恢复的高可用性数据复制)都支持xml列中存储的文档。
For example, backup and restore facilities — including high availability data replication for failover situations — all support documents stored in XML columns.
会话复制可以提供大量好处——负载平衡、伸缩性、容错和高可用性。
Session replication enables a host of benefits — load balancing, scalability, fault tolerance, and high availability.
高可用性——有了复制与容错的托管配置，宕机时间可以最小化。
High Availability - Downtime can be minimized with replication and fault tolerant hosted configurations.
由于 IASP中的所有东西都保证会被复制，所以高可用性环境的管理和维护工作量很小。
Since everything in the IASP is guaranteed to be replicated, the administration and maintenance of your high availability environment is minimal.
在传统的数据库部署中数据库复制技术常常被用来达到高可用性。
In traditional database deployments database replication techniques are commonly used to achieve high availability.
在本文中，我们了解了使用ER实现异步复制的灵活性和集群的高可用性特性。
In this article, you've learned about the flexibility of asynchronous replication using er and the high-availability features of a cluster.
大多数IBMi高可用性产品都是监视对象的变更，将这些变更复制到备份节点，然后应用于备份节点上的对象。
Most IBM I high availability products monitor for changes to an object, replicate those changes to the backup node, and then apply the changes to the object on the backup node.
复制碎片是主碎片中所有数据的备份副本，它们的主要目的是从主碎片失败中恢复，提供高可用性。
Replica shards are backup copies of all the data in the primary shard, and their main purpose is to recover from a primary shard failure to provide high availability.
他们也会在另一级别的高可用性或灾难恢复中使用诸如地理镜像、MetroMirror或Global Mirror之类的复制技术。
They can also use a replication technology such as geographic mirroring, Metro mirror, or Global mirror for another level of high availability or for disaster recovery.
InfoSphereCDC还提供数据转换、筛选、复制功能和高可用性。
InfoSphere CDC also provides functions for data translation, filtering, replication, and high availability.
在该poc中，我们测试了DB 2UDBV8.1ESE的高可用性和复制。
During this POC we tested DB2 UDB V8.1 ESE with high availability and replication.
HDR：高可用性数据复制辅助服务器。
为了确保容错和高可用性，WebSphereeXtremeScale碎片分布算法确保主碎片和复制碎片绝不会位于同一个容器中。
To ensure fault tolerance and high availability, WebSphere eXtreme Scale shard distribution algorithms ensure that the primary and replica shards are never in the same container.
本文重点关注POC的高可用性方面，将不介绍复制那部分。
This article focuses on the high availability aspects of the POC and will not cover the replication part.
复制特性支持分布式应用程序部署，可以提供高可用性和高性能。
Replication feature to enable the distributed application deployment, which can provide high availability and high performance.
PowerHASystemMirror中有多种复制技术可用，使得高可用性环境的维护毫不费力。
With the various replication technologies available within PowerHA SystemMirror, maintenance of your high availability environment is pain-free.
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.
后来，许多人试图建立一个复制环境，实施高可用性。
Later, many people tried to create a replication environment that implemented high availability.
此外，高可用性正变得越来越可扩展事务数据库系统的关键，通常是通过复制和实现自动故障转移在一个崩溃的情况下。
In addition, high availability is becoming ever more crucial in scalable transactional database systems, and is typically accomplished via replication and automatic fail-over in the case of a crash.
此外，高可用性正变得越来越可扩展事务数据库系统的关键，通常是通过复制和实现自动故障转移在一个崩溃的情况下。
In addition, high availability is becoming ever more crucial in scalable transactional database systems, and is typically accomplished via replication and automatic fail-over in the case of a crash.
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