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
Pick a location to store the backup image.
选择存储备份映像的位置。
3
Instance storage is used to temporarily store DB2 backup images, but these backups will be moved to S3 for longer retention period.