Backups are much simpler when you only use a database storage area because your document content is backed up along with your normal object store database backup.
如果仅使用数据库存储区域，那么备份要简单得多，因为文档内容是随常规对象存储数据库备份一起备份的。
2
You should then copy that subdirectory to an area outside the portlet as a backup.
您然后应该将该子目录复制到portlet外部的某个区域，以进行备份。
3
This paper introduces the storage area network and the compose of data backup system, emphasizes on how to use SAN technology to backup data.