Backup objects for which there is no matching entry found are bound to the default management class in the active policy set (see Archive and Backup Copy Groups).
没有发现匹配条目的备份对象被绑定到活动策略集(请参阅归档和备份副本组)中的默认管理类。
And also that any past history of the warehouse processing activity can be recovered; backup files should contain the data that has been deleted from the archive table.
而且要能够对过去仓库处理活动的任何历史加以恢复；备份文件应该包含从档案表中删除的数据。
Archive logging enables an online backup and recovery.
存档日志模式支持在线备份和恢复。
These backup objects are bound to a specific management class and are stored according to the attributes of the underlying backup copy group (see Archive and backup copy groups).
这些备份对象被绑定到特定管理类，而这些对象的存储则是根据基础备份副本组(请参阅归档和备份副本组)的属性进行的。
And of course, if you don't implement a backup strategy, you won't have an archive of past data — if someone in your office deletes a bunch of important files, you won't be able to recover them.
毫无疑问，如果您没有实施备份策略，就不会拥有历史数据的档案文件—如果某位同事删除了一批重要文件，您也无法将它们恢复。
To enable backup, archive, and restore functionality in a cluster, follow these steps.
要在集群中启用备份、归档和还原功能，可执行以下步骤。
Backup, archive, and restore actions are available for places using the Manage places option as shown in the figure 14.
备份、归档和还原操作对于使用ManagePlaces选项的位置可用，如图14所示。
Listing 7: Perform a backup, enable the transaction log archive mode, and delete archived transaction logs before this backup.
清单7：执行备份，启用事务日志归档模式，并删除这次备份之前归档的事务日志。
Listing 6: Perform a backup, enable the transaction log archive mode, and preserve archived transaction logs before this backup.
清单6：执行备份，启用事务日志归档模式，并保存这次备份之前归档的事务日志。
To understand the DB2 UDB online backup and recovery, you need to understand archive logging. There are three definitions of logs that we need to familiar with.
要了解DB 2UD b联机备份和恢复，就需要了解归档日志记录。
If you choose to have archive logging, and do an online backup and roll forward recovery, you can recover to a point in time or to the end of the logs for the minimum loss of data.
如果您选择使用归档日志记录，并执行联机备份和前滚恢复，那么您可以恢复到数据丢失最少的那个时间点，或者恢复到结束日志的时候。
The management classes consist of archive and backup copy groups.
管理类由归档和备份副本组组成。
The methods of data backup for840D system is summarized and introduced in detail. The methods focus on howto backup through the two methods of Series Startup Archive and Area-Specific Archive.
对西门子840D数控系统的数据管理与备份方法进行了总结，系统地介绍了西门子840D数控系统中数据管理的类型及系列备份和分区备份两种常用的数据备份方法。
The methods of data backup for840D system is summarized and introduced in detail. The methods focus on howto backup through the two methods of Series Startup Archive and Area-Specific Archive.
对西门子840D数控系统的数据管理与备份方法进行了总结，系统地介绍了西门子840D数控系统中数据管理的类型及系列备份和分区备份两种常用的数据备份方法。
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