全冗余的整体架构主机层：使用服务器虚拟化，数据库集群等保障业务的连续性。
The full redundancy of the overall architecture of the host layer: the use of server virtualization, database clusters and other services to ensure continuity.
数据库集群会将经常访问的DB 2行放在同一页面中，经常访问的页面集中放在磁盘上。
Database clustering places frequently accessed DB2 rows in the same page and frequently accessed pages close together on disk.
要保证企业业务不停顿，高可用性数据库集群是企业在关键应用上必须考虑的重要问题。
To ensure the business of enterprises don't grind to a halt. The database cluster with high availability is a vital problem in the key application of enterprises.
第五，利用目前先进的数据库集群技术和数据安全技术，对该系统的数据库及安全进行设计。
The fifth, we designed the database and safety of system by using advanced database cluster technology and data safe practice.
该解决方案使用与RAID文件服务器相同的技术，允许整个ZEO数据库集群以冗余的方式操作，并且所有服务器都参与读和写。
It USES the same techniques as a RAID file server to allow an entire cluster of ZEO databases to operate redundantly, with all servers participating in both reads and writes.
这样可以提供更具性价比的解决方案，因为您可以分配资源到部门、数据库服务器、集群等等。
This can provide for a more cost efficient solution, since you can allocate resources to departments, database servers, clustering, and so on.
使用集群，将只推入并复制那些发生更改的数据库。
With clustering, only those databases that have a change are pushed and replicated.
另外，两个服务器都对数据库使用集群复制。
In addition, both servers used cluster replication for the databases.
默认工作负载集群组在数据库之下。
对于每个集群数据库副本，与写磁盘操作相关的网络流量会加倍。
For each cluster database replica, network traffic associated with write disk operations is approximately doubled.
第三台计算机包含集群数据库。
与主节点安装在一起的DB 2数据库自动被集群中所有其他节点使用。
The DB2 database installed with the primary node is automatically used by all other nodes in the cluster.
该数据显示当前已修改并等待集群复制的数据库数量。
This statistic shows the current number of modified databases awaiting cluster replication.
如果没有适当地安排服务器的大小，当更新活动比较频繁时，集群复制维护数据库同步的能力就会受到限制。
When update activity is excessive, the ability of cluster replication to maintain database synchronization becomes limited if the server is not sized properly.
为了获得更好的性能和最小化空间消耗，我们建议使用数据库分区、范围分区、压缩和多维集群。
For best performance and minimal space consumption, we recommend using database partitioning, range partitioning, compression, and multi-dimensional clustering.
工作负载与真实的客户环境非常接近，包括复制、集群、本地邮件数据库复制、全文索引和事务日志记录等。
The workload is much closer to a true customer's environment that includes replication, clustering, local mail database replication, full text indexing, transaction logging, and so on.
当向数据库写入任何更改时就会导致集群复制，比如创建新的文档和发送新的邮件消息等。
Cluster replication occurs when there are any database changes written to disk, such as the creation of new documents, delivery of new mail messages, and so on.
确保在集群中均匀地分布数据库。
Make sure that you distribute databases evenly in the cluster.
不过，我们将讨论如何设置必需的数据库和模式，以便支持WebSphereProcessServer集群。
However, we will discuss how to set up the necessary databases and schemas to support a WebSphere Process Server cluster.
要了解如何在集群中分布数据库，请查看“使用Domino集群实现负载平衡”中提供的一个例子。
For an example of how to distribute databases in a cluster, see "Workload balancing with Domino clusters."
其他集群解决方案，比如MicrosoftClusters (Wolfpack)，也提供数据库故障转移，但其转移目标是使用数据库的单个实例的集群成员。
Other clustering solutions, such as Microsoft Clusters (Wolfpack), provide failover of databases to other cluster members using only a single instance of the database.
因此，集群总共包含了9 个数据库分区。
So the cluster contains a total of nine database partitions.
设置集群数据库名称，例如MYDEDB，单击Delayexecutionofdatabasescripts。
Set the name of the cluster database, such as MYDEDB, and click Delay execution of database scripts. Then click next.
尝试使用集群（数据库）
如果想撤掉一些旧的计算机，并添加更强大的计算机到数据库DPF集群中，那么您很可能会同时指定添加和删除。
You are likely to specify both if you are trying to retire some old machines and adding more powerful machines into your database DPF cluster.
如上所述，将应用程序数据保存在中央数据库中可以确保在集群环境中写入和一致地读取数据。
As mentioned above, keeping the application data in a central database ensures consistent server write and consistent read data in the cluster environment.
将数据库分布到各个集群成员是实现集群工作负载平衡的最好方法之一。然而，要恰当地分布数据库可能需要大量时间。
Distributing databases among cluster members can be one of the best ways to balance the cluster workload, however, it can be very time consuming to properly distribute the databases.
最常见的分区环境由每个物理系统上的一个数据库分区组成，这些物理系统组成数据库分区集群。
The most common partitioned environment consists of a single database partition on each physical system that makes up the database partition cluster.
转换数据库厂商或设法集群数据库服务器将意味着完全改变您的前端代码。
Switching database vendors or trying to cluster the database servers would mean changing all your front end code.
集群关系数据库以获得可伸缩性和可用性是一种业已建立的良好规程，因此我们不再花费时间讨论集群关系数据库的技术。
Clustering of relational databases for scalability and availability is a well established discipline, and so we will not spend time discussing techniques for clustering relational databases.
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