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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High availability technology plays an important role in protecting the availability of critical application systems.

高可用技术对于关键业务服务系统的运行保障有非常重要的作用。

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The Scalar i6000 HD provides high performance and availability with active-active dual robotics for fast data access times, its Active Vault technology (that includes policy-based integrity checking) and providing big data archives on tape.

FORBES: Adventures in Archiving