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，WebSphere Portal可以被安装在集群配置中。

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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。

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