Components implement this interface to participate in backup and restore operations for places.
组件实现这个接口来参与多个位置的备份和恢复操作。
That alone should be enough to convince you that, in most circumstances, you should plan and implement a backup strategy before even thinking about tackling RAID-1, 4, or 5.
仅此一点就应该足以让您相信，在大多数情况下，即使是在考虑采用RAID - 1、4和5之前，都应该规划并实施一种备份策略。
Offline backups, much simpler to implement, requires that the application be stopped to create a backup.
离线备份实现起来要简单得多，但要求停止应用程序才能创建备份。
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