Shulou(Shulou.com)06/01 Report--

2.2 several design patterns for high availability solutions

The following sections explain the default behavior of cluster resources.

Select an availability group design to match specific business requirements for high availability, data protection, and read scaling. The following configuration describes the availability group design pattern and the functionality of each pattern. These design patterns apply to availability groups with CLUSTER_TYPE = EXTERNAL for high availability solutions.

Three synchronized copies

Two synchronized copies

Two synchronous copies and configuration-only copies

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