一些IT专业人士认为，重复数据删除和单实例存储（SIS）是一回事，但其实并非如此。
Some IT professionals think that deduplication and Single Instance Store (SIS) are the same thing, but they are not.
如果不是，请修复数据的问题。
我们还可以重复数据对象的属性。
不过，这种分割方式会创建重复数据。
创建IIClassic使用的恢复数据集。
资源管理器负责管理可恢复数据，例如文件或队列。
A resource manager is responsible for managing recoverable data, such as files or queues.
另外，读者可能会对书中大量的重复数据感到厌烦。
Moreover, the reader may weary of so many repetitive statistics.
计算机灾难发生后恢复数据是减少损失的一个好方法。
Backing up data is a great way to minimize losses after a computing catastrophe.
不需要恢复整个数据库服务器就可以在其他实例上恢复数据。
Data can be restored without restoring the full database server on another instance.
实现方法是创建一个压缩的符号字典，取代行级重复数据模式。
It does this by creating a compression dictionary of symbols which replace repeating data patterns at the row level.
能够实时地防止重复数据，避免昂贵的手工清理，从而降低操作成本
The ability to prevent duplicates in real-time, thus reducing operational costs by avoiding pricey, manual cleanup
第二个问题是避免过度使用数据库或计算性资源，防止生成重复数据。
The second problem was avoiding excessive use of database or computational resources in generating duplicate data.
无论是自动精简配置，还是重复数据删除，在未来都会有助于提高存储的效率。
Both thin provisioning and data de-duplication will help drive storage efficiency in the future.
除此之外，最大的问题是，主存储上重复数据所占的比例要比备份数据要低得多。
Beyond that, the big problem is that primary storage has a much lower percentage of duplicate data than backup data.
如果用户切换到另一个Android设备，他就可以从之前的设备中恢复数据。
If one switches to another Android device, he can restore the data from the previous one.
尽管数据遭到毁坏是少数情况，但真的出现这种情况时，恢复数据的代价是高昂的。
Although disruptions are few, they are very costly when they do happen.
为了跟随erik恢复数据，您首先需要通过输入以下DB 2命令模拟行的删除。
In order to follow along with Erik as he recovers his data, you first need to reproduce the deletion of the rows by entering the following DB2 commands.
前一个操作符在现有文件中追加内容（所以仍然可以恢复数据），后者覆盖现有内容。
The former operator appends to the existing file (so data may still be recovered), and the latter overwrites existing content.
换句话说，在开始编写用来保存和恢复数据的代码之前，您需要确定希望保存什么数据。
In other words, you need to decide what data you want to save before you start writing the code to save and restore that data.
重复数据删除在备份市场已经非常流行，但是因为某些因素其在主存储上的价值一直被质疑。
Deduplication has been very popular in the backup market, but its value in primary storage is questionable for several reasons.
第二种容量管理办法可近似地认为是通过重复数据删除或数据压缩来减少主存储磁盘上的数据。
The second capacity management approach to consider is reducing data on primary disk storage via data deduplication or data compression.
在信息技术中，备份数字数据的过程包括生成数字数据的多个拷贝，以便能够在需要时恢复数据。
In information technology, the process of backing up digital data consists of making multiple copies of the digital data so that the data can be restored whenever there is a need.
在信息技术中，备份数字数据的过程包括生成数字数据的多个拷贝，以便能够在需要时恢复数据。
In information technology, the process of backing up digital data consists of making multiple copies of the digital data so that the data can be restored whenever there is a need.
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