它们必须是可靠和直观的，以便于安排定期备份和在必要时检索文件。
They must be dependable and intuitive, making it easy to schedule regular backups and to retrieve files in a pinch.
确保您的备份是一致的和可靠的。
组件实现这个接口来参与多个位置的备份和恢复操作。
Components implement this interface to participate in backup and restore operations for places.
它提供了在部署文件中描述的备份和删除实例。
It delivers backup and delete instances described in a deployment file.
备份映像中存储的历史可以单独恢复，它包含所有备份和恢复信息。
The history stored in the backup image can be individually restored and it contains all backups and restores information.
那些文件通常不会频繁修改，所以在做了初始备份之后，可以执行增量备份，而不必花很多的精力和时间。
Such files are not usually subject to frequent modification, so after an initial backup, you can perform incremental backups without much trouble or time.
在使用合并备份时，如果周五需要进行修复，那么您可以从周四的合并备份和事务日志还原所有数据。
With merged backups, if a recovery is needed on Friday, you can restore everything from Thursday's merged backup along with the transaction logs.
这个数据库已经配置了自动备份和维护。
The database has been configured for automated backups and maintenance.
使用多种方法备份数据库，并仔细测试所有备份和恢复场景。
Use more than one method to back up your database, and test all backup and recovery scenarios carefully.
可以给备份副本和存档的日志分配多少存储空间？
How much storage space can be allocated for backup copies and archived logs?
与脱机备份不一样，联机备份只要求备份数据文件和控制文件。
Unlike offline backup, online backup only requires that data files and control files be backed up.
用于备份和存档的存储。
注意，允许进行组合数据库和表空间增量备份。
Note that the combination database and table space incremental backups are permitted.
管理类由归档和备份副本组组成。
The management classes consist of archive and backup copy groups.
存档日志模式支持在线备份和恢复。
对DAOS储存库做了初次备份后，可在需要时对nsf和nlo文件做增量备份。
After the first backup of the DAOS repository, perform incremental backups as desired of both NSF and NLO files.
DB 2UDB也提供了脱机和联机备份。
对于这两种类型的备份(全系统备份和并行备份)，都可以指定备份级别，例如，如果此备份应该是一个完全备份或增量备份。
For both types of backups (whole system and parallel) you will be able to specify the backup level, for instance, if this should be a full or an incremental backup.
然后还原最近的干净的数据库备份和随后的日志备份,包含上一步做的日志备份.
Then restore the latest clean database backup and the subsequent log backups, including the one taken in above step.
然后备份和还原就通过远程设备来处理。
Backups and restores are then handled through the remote device.
离线策略控制备份和恢复命令，以及数据库备份映像的加密和解密。
The offline policy controls backup and restore commands, and the encryption and decryption of database backup images.
细节各不相同，具体根据软件和备份介质而定，因此您需要参考备份软件文档获取详细信息。
Operational details vary depending on the software and the backup medium, so you should consult the backup software's documentation for details.
如果最后的备份是一个完整的备份映像，那么它和增量备份将提供最完整的备份。
If the last backup was a full backup image, it and the delta provide the most complete backup.
文件系统通常为递增备份，这是为了最小化备份窗口和优化存储空间。
Filesystems are generally backed up incrementally to minimize the backup window and to optimize storage space.
数据库备份完成后，某些重要的文件系统和配置也同样需要备份。
Once databases are backed up, some important filesystems and configurations files need to be backed up as well.
这使您能够结合使用DB 2代理模块和备份，从而实现通过与安全服务器通信加密数据库备份映像。
This enables you to use the DB2 agent module with a backup, which enables you to encrypt a database backup image by communicating with the security server.
备份关键文件涉及到确定相关文件，并找到一种合适的方法存储和备份这些信息。
Backing up key files is about a combination of identifying the files and finding a suitable method for storing and backing up that information.
图3显示了恢复如何使用完整的备份映像、最后的增量备份、上一次增量备份之后的所有增量备份和日志。
Figure 3 shows how recovery requires a full backup image, the last incremental backup, all delta backups since the last incremental backup, and the logs.
我们需要在离线设备中对邮件、消息和记录进行备份。
You need to back up your mail, messages, and records at an off-site facility.
支持在线和离线完全备份以及崩溃和事务恢复。
Supports full online and offline backups and crash and transaction recovery.
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