Learn everything you wanted to know about data deduping in our tutorial on data deduplication and data backup. Learn about global deduplication, source. Data duplication De-. Quantum Special. Edition. Reduce disk storage needs and lower costs! FREE eTips at ®. Mark R. Coppock Steve Whitner. Data deduplication is a technique to reduce the amount of storage space an organization needs by saving just one copy of the data and pointing duplicates back.

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In general, deduplication technology can be deployed in one of two basic ways: Data deduplication is a technique used to reduce the amount of storage space an organization needs to save its data.

In most organizations, the storage systems contain duplicate copies of many pieces of data. Deduplication can also reduce the amount of network bandwidth required for backup processes, and in some cases, it can speed up the backup and recovery process. In its simplest form, deduplication takes place on the file level; that is, it eliminates duplicate copies of the same file. The primary benefit of data deduplication is that it reduces the amount of disk or tape that organizations need to buy, which in turn reduces costs.

Data Deduplication For Dummies – TechWorld

Some compression is lossless, meaning that no data is lost in the process, but “lossy” compression, which is frequently used with audio and video files, actually deletes some of the less-important data included in a file in order to save space. This guide describes the basics of Java, providing an overview of syntax, variables, data types and While deduplication eliminates redundant data, compression uses algorithms to deduplicatin data more concisely.


Join to subscribe now. On the downside, source deduplication consumes more processor resources, and it can be difficult to integrate with existing systems and applications.

Java Basics, Part 1 Java is a high-level programming language. Quantum and the Quantum logo are trademarks of Quantum Corporation.

Block-level deduplication frees up more space than SIS, and dummiies particular type known as variable block or variable length deduplication has become very popular. All materials on our website are shared by users. Geometry practice problems for dummies pdf.

In source deduplication, data copies are eliminated in primary storage before the data is sent to the backup system. Embed Data DeDuplication for Dummies. Java is a high-level programming language.

Please download to get full document. The process for implementing data deduplication technology varies widely depending on the type of product and the vendor.

What is Data Deduplication? Webopedia Definition

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This compensation may impact how and where products appear on this site including, for example, the order in which they appear. In a typical enterprise backup situation, compression may reduce backup size by a ratio of 2: This kind of deduplication is sometimes called file-level deduplication or single instance storage SIS. What is your job function? StorNext is a registered trademark of Quantum Corporation.

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However, post-process deduplication is usually faster than in-line deduplication.

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Data DeDuplication for Dummies.pdf

Data Backup for Dummies. Many other vendors also own patents related to deduplication technology. Searching our resource database to find your matches Stay up to date on the latest developments in Internet terminology with a free newsletter from Webopedia.

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For example, Microsoft has a patent on single instance storage. We are nonprofit website to share and download documents.

We Need Your Support. Companies frequently use deduplication in backup and disaster recovery applications, but it can be used to free up space in primary storage as well.