其不足之处就是它经常将服务的外部接口和与它的业务意图毫不相干的信息群集在一起。
The downside of this style is that it often clutters the external interface of a service with information that is not related to its business purpose at all.
通过接管模式很容易在saturn上关闭群集服务。
Shut down the cluster service on the Saturn in graceful with takeover mode.
安装应用程序：此脚本包将我们的web服务应用程序安装到WebSphereVirtualEnterprise动态群集。
Install application: This script package installs our web services application to the WebSphere Virtual Enterprise dynamic cluster.
克隆可以在群集中的任一台服务器机器上运行，单个服务器的多个克隆可以在单台机器上运行以利用多处理机体系结构。
Clones can run on any server machine in the cluster, and multiple clones of a single server can run on a single machine to take advantage of multiprocessor architectures.
从次要服务器获得的备份可以恢复到群集中的任意其他服务器。
The backup obtained from the secondary server is restorable to any other server in the cluster.
向相同的应用程序服务器或相同的应用程序服务器群集并发部署不同的应用程序。
Concurrent deployment of different applications to the same application server or to the same application server cluster.
不能使用在群集中另一台服务器上所做的1级或2级备份恢复从次要服务器获得的备份。
The backup obtained from the secondary server cannot be restored with Level 1 or Level 2 backups made on a different server in the cluster.
群集系统的消息收发层提供了解服务存在(或缺少)所必需的消息收发与成员功能。
The messaging layer of a cluster system provides messaging and membership capabilities that are necessary for understanding the presence (or lack) of a service.
最后，对于群集的环境，您不仅必须评估应用程序服务器机器上的物理限制，还必须评估被应用程序所利用的后端资源。
Finally, the clustered environment must be evaluated for not only physical limitations on the application server machines, but also on the backend resources utilized by the applications.
之后，整个网络已变得更为社会化，不过人们关系的群集，或“社交图”，却趋于被各种网络、网站和服务所分割开。
Since then, the web has become more social, but the clusters of human connections, or “social graphs”, tend to be isolated within various networks, sites and services.
队列与特定总线成员(属于总线的应用服务器或群集)相关，而主题空间则属于整个总线的一部分。
Whereas a queue is associated with a particular bus member (an application server or cluster that is part of the bus), a topic space is part of the bus as a whole.
因此，对于测试的第一个阶段来说，将会禁止群集中服务器的自动再集成。
So the automated reintegration of the server in the cluster is disabled for the first phase of testing.
用于存储数据的硬盘必须通过私有互联结构（串行线缆）或者LAN连接到构成群集的服务器。
The disks used to store the data must be connected by a private interconnect (serial cable) or LAN to the servers that make up the cluster.
尽管动态迁移是在服务器群集上实现负载平衡的一项重要功能，基于动态迁移构建的故障恢复在针对依赖HA的应用程序的云中打开新的应用程序。
Although live migration was an important feature for load balancing over a cluster of servers, failover built on live migration opens new applications within the cloud for HA-dependent applications.
向不同的应用程序服务器或不同的应用程序服务器群集并发部署不同的应用程序。
Concurrent deployment of different applications to different application servers or to different application server clusters.
如果失效服务器重新集成到ha群集中(即重新变得可用)，它将停止备用服务器上的数据库，并启动重新集成的服务器上的数据库。
If a failed server reintegrates into the ha cluster (that is, becomes available again), it will stop the database on the standby server and start it on the reintegrated server.
使用这种方法时，您要把所有的V3.5或V4.0应用程序迁移到一个专用服务器群集中，这样就可以腾出硬件来完全安装WebSphereApplicationServerV5。
In this approach, you migrate all Version 3.5 or 4.0 applications to a cluster of dedicated servers, which will free up hardware for a clean install of WebSphere application server V5.
该设置包括一对构成群集服务器(ha1和ha2)，两者都可以访问包含多个物理磁盘的磁盘盒；服务器处于冷备份模式。
The setup consists of a pair of clustered servers (ha1 and ha2), both of which have access to a Shared disk enclosure containing multiple physical disks; the servers are in cold standby mode.
我们将我们的web服务应用程序部署在一个动态群集内，连同服务级别策略，就为我们提供了对应用程序可变工作负载的适应性。
We deployed our web services application in a dynamic cluster and that, in conjunction with service level policies, provided us the ability to accommodate the variable workload for our application.
服务器级的工作负载优化：WebSphereApplicationServer支持EJB 服务器群集管理。
Workload optimization at the server level: WebSphere Application Server supports EJB server cluster management.
它在群集中的服务器之间连续发送心跳(heartbeat)，指定是否以及何时关闭其中的服务器。
It continuously sends the heartbeats between the servers in the cluster to identify if and when any of them are down.
因此当负载增加时，可以向群集中增加机器，Web服务请求可以定向到这些不同的服务器。
So, as load increases, additional machines can be added to a cluster, and web service requests can be directed to those various servers.
在典型的错误中，一个企业选择群集它们的Web服务器和应用程序服务器而不是数据库服务器。
In the classic mistake, an enterprise chooses to cluster its Web servers and application servers but not the database servers.
集群邮件工作负载执行Notes事务，该事务为邮件用户模拟一个Domino服务器群集。
The cluster mail workload executes Notes transactions that model a Domino server cluster for mail users.
MapModulesToServers允许您指定应用程序中的模块的目标服务器或群集。
MapModulesToServers Allows you to specify the target servers or clusters for modules in an application.
Merrill可能不会把一个应用部署到传统的服务器上，而是部署到一个群集的服务器架构中，这个架构横跨了全球的多个数据中心。
Instead of deploying an application to a conventional server, Merrill may deploy it to a proprietary server-clustering infrastructure that runs across its worldwide data centers.
可以使用WebSphere群集技术衡量多个服务器实例。
Multiple server instances can be scaled using standard WebSphere clustering techniques.
Pacemaker是一个群集资源管理器，用于编排群集的管理行为(启动与停止服务，监控等)。
Pacemaker is a cluster resource manager that orchestrates the management activities of the cluster (starting and stopping services, monitoring, and so on).
图4.另外的应用服务器节点(灰色部分)被从群集中除去，并被重建成WebSphereApplicationServer节点。
Figure 4. Additional application server nodes (in gray) are excused from the cluster and rebuilt as WebSphere application server nodes.
一个或更多的群集资源依靠网络来向客户端提供服务。不能从网络上删除客户端访问能力。
One or more cluster resources depend on the network to provide service to Clients. The Client access capability cannot be removed from the network.
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