为文件创建一个副本或备份是一种不错的做法。
Making a copy or backup of files is considered good practice.
任何成功的备份解决方案都有一个关键要素，即在另一个位置保存重要信息的副本。
The critical element to any successful backup solution is to have a copy of the important information in another location.
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?
作为一名DBA，业务规则通常会决定您应该保留备份副本的时间长度。
As a DBA, business rules will usually dictate how long you should keep backup copies.
每个数据库的备份副本将存储在
复制碎片是主碎片中所有数据的备份副本，它们的主要目的是从主碎片失败中恢复，提供高可用性。
Replica shards are backup copies of all the data in the primary shard, and their main purpose is to recover from a primary shard failure to provide high availability.
首先制作 /opt/ibm/director/proddata/cfgdbcmd.rsp文件的一个备份副本，然后使用您最喜欢的文本编辑器打开它。
Make a backup copy of the /opt/ibm/director/proddata/cfgdbcmd.rsp file first, then use your favorite text editor to open it.
单击Restore图标还原应用程序的备份或归档的副本。
Click the restore icon to restore a backup or archived copy of the application.
安全和审计日志、备份、启动盘、档案副本、调试信息，以及很少访问的大对象。
Security and audit logs, backups, boot disks, archival copies, debugging information, rarely accessed large objects.
保存这些个人文件夹文件的备份副本。
将此密码写入可移动磁盘(软盘)中并创建一个备份副本。此操作将需要两张已格式化的空白软盘。
Write this password to a removable (floppy) disk and create a backup copy. This option will require two blank, formatted floppy disks.
将此密码写入可移动磁盘(软盘)中并创建一个备份副本。
Write this password to a removable (floppy) disk and create a backup copy.
为了预防灾难(例如火灾或地震)的发生，应将服务器备份的副本存放在服务器位置之外的其他位置上。
To safeguard against a disaster, such as a fire or an earthquake, you should keep duplicates of your server backups in a different location from the location of the servers.
除了用常规备份软件备份目标数据库外，我还建议再保存一份数据的纯文本副本。
In addition to backing up the target database with your normal backup software, I suggest keeping a second copy of the data in plain text.
使用备份副本恢复数据库。
在另外的一些情况下，可能需要生成对象定义的副本作为备份来存储和使用，同时继续修改对象的定义。
In other cases, you might want to make a copy of the object definition to store and use as a backup while you continue to modify the definition of the object.
备份是数据的一个副本。
在您的工作站崩溃时，它可以作为一个备份，并允许其他开发人员更新其本地副本以包含您的变更。
This acts as a backup in case your workstation self-destructs, and it lets other developers update their local copies to include your changes.
当您进行备份后，将其副本放到一个高度可用的文件系统中；否则，部署管理器服务器出现磁盘故障会使这些备份变得不可用。
When you have the backup, place a copy of it in a highly available file system; otherwise, a disk outage on your deployment manager server could make the backups unavailable to you.
快照是文件系统的静态只读副本，附网存储中的快照技术可以用于实现文件系统的活备份以及用于恢复被误删除的文件。
Snapshot is a read-only copy of file system, the snapshot in network attached storage can be applied to live backup or recovering removed files.
数据库备份可以最小化数据的损失并使您能够使用恢复进程从备份副本中重新构建错误的数据库。
A database backup minimizes data loss and gives you the ability to reconstruct the failed database from the backup copy using the recovery process.
如果试图在某个特定的时间点制作数据的快速备份(卷影副本)，则电子邮件事务仍然可能在备份进行的过程中发生。
If you try to make a quick backup of the data at a particular point in time (a shadow copy), E-mail transactions may still occur while the backup is progressing.
您可以使用备份映射的副本，并将它前滚至删除表之前的某个时间点(时间点恢复)，或者您可以通过exp实用程序恢复逻辑备份。
You can either use a copy of your backup image and roll it forward to the time right before the table was dropped (point-in-time recovery), or you can restore a logical backup through the exp utility.
管理类由归档和备份副本组组成。
The management classes consist of archive and backup copy groups.
即使不存在相应的明确约定，我们仍应有权为备份需要制作副本。
We shall be allowed to make a backup copy even without any express agreement to that effect.
压缩的备份只对备份集有效，对映像副本无效。
Compressed backups work only with backup sets, not image copies.
数据库的备份是数据库的副本以及一些控制信息，在出现故障的情况下，可以随时用它进行恢复。
A backup of a database is a database copy, together with control information, ready to be restored in the event of a failure.
所以，当磁盘写入完成后，可以保证同时在生产和备份副本上完成了写入。
So again, when the disk write completes, it is guaranteed to be both on the production and the backup copy.
所以，当磁盘写入完成后，可以保证同时在生产和备份副本上完成了写入。
So again, when the disk write completes, it is guaranteed to be both on the production and the backup copy.
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