Create the high availability (HA) farm.

创建高可用性(HA)集群。

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DB2 Express supports high availability (HA) architectures like HA clustering technologies and log shipping.

DB 2 Express支持高可用性(HA)架构，比如ha集群技术和日志传输。

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Let's begin with a quick introduction to high availability (HA) and RAID, and then explore the architecture and use of the DRBD.

让我们首先简要介绍一下高可用性(HA)和RAID，然后再研究DRBD的架构和用法。

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