As far as Resource Manager and Library Server databases are concerned, once you have a baseline backup and all logs are intact, there is a guarantee that there will be no loss of data.
只要涉及到资源管理器和库服务器数据库，一旦有了一次原始备份，并且所有日志均完好无损，即可保证不损失任何数据。
After your initial upload - which may take a while, so set it up before you go to sleep - you will have a full backup of your photo library.
初次上传之后——这可能要一会儿，因而在你睡觉前开着让它上传——你将拥有照片库的完整备份。
A fairly complex component could use its own library to store contents, define custom roles that are used to tailor its functionality, and participate in backup and restore operations.
更复杂的组件可以使用它自己的库来存储内容、定义定制角色(用来定制功能)并执行备份和恢复操作。
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