The ability to recreate a specific physical configuration is critical when migrating a new service or system from testing to production, or when performing software maintenance.

在从测试到产品阶段迁移新服务或新系统时，或者软件维护时，能够重建特定物理配置的能力显得非常重要。

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System test environments are used by the administration staff to test patches and configuration changes before they are adopted by the QA and production environments.

系统测试环境由管理人员用来测试补丁程序和配置改动，然后再将它们用到QA和产品环境中。

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NOTE: While this configuration supports a basic production deployment, it does not provide any redundancy for system failover nor does it provide the ability to scale up to support growing user loads.

注意：虽然该配置支持基本的产品配置，但没有提供任何系统故障恢复冗余，也不具备支持用户负载增长的扩展能力。

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