Let's first visit the instance backup capability and then the persistent storage backup capability.

让我们先了解实例备份功能，然后再了解持久性存储备份功能。

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For example, if a business component wants to integrate with the backup capability of CAI, it must implement the Serializable interface.

例如，如果一个业务组件想要集成CAI的备份功能，必须实现Serializable接口。

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Currently, the only way to ensure total rollback capability is to do a full file system and database backup before the deployment.

目前，确保全面回滚能力的唯一方法是在部署前进行完整的文件系统和数据库备份。

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Deutsch notes that when the Mars Science Lab recently landed, as a backup capability the DSN used the Parkes Radio Observatory in Australia to look at its signal during entry, descent and landing.

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