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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Data Backup for Dummies. In-line deduplication takes place before the backup copy is written to disk dkmmies tape. Data deduplication is a highly proprietary technology.

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 most organizations, the storage systems contain duplicate copies of many pieces of data.

In source deduplication, data copies are eliminated in primary storage before the data is sent to the backup system. Also, compression doesn’t get rid of duplicated data — the storage system could still contain multiple copies of compressed files. In addition, Quantum owns a patent on variable length deduplication. Share Data DeDuplication for Dummies. Geometry practice problems for dummies pdf. Stay up to date on the latest developments in Internet terminology with a free newsletter from Webopedia.

Join to subscribe now. In general, deduplication technology can be deployed in one of two basic ways: Deduplication methods vary widely from vendor to vendor, and many of those methods are patented.


What is your job function? 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. We Need Your Support.

data deduplication

Cristie Bare Machine Recovery. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. Brown and Robert E.

While deduplication can be applied to data stored on tape, the relatively high costs of disk storage make deduplication a very popular option for disk-based systems. Dns for dummies pdf.

Often the phrase data deduplication is used as a synonym for block-level or variable length deduplication.

Data Deduplication For Dummies – CIO

The following facts and statistics capture the changing landscape of cloud computing and how service providers and customers are keeping up with The advantage of source deduplication is that is reduces the bandwidth requirements and time necessary for backing up data. Networking fundamentals teaches the building blocks of modern network design.

Embed Data DeDuplication for Dummies. Some of the products that appear on this site are from companies from which QuinStreet receives compensation. This guide describes the basics of Java, providing an overview of syntax, variables, data types and By contrast, deduplication only eliminates extra copies of data; none of the original data is lost. Eliminating extra copies of data saves money not only on direct disk hardware costs, but also on related costs, like electricity, cooling, maintenance, floor space, deduplicayion.


For example, if deduplication technology is included in a backup appliance or storage solution, the implementation process will be much different than vummies standalone deduplication software.

Deduplication is sometimes confused with compression, another technique for reducing storage requirements. Target deduplication comes in two types: While deduplication eliminates redundant data, compression uses algorithms to save data more concisely.

Deduplication eliminates these extra copies by saving just one copy of the data dummiess replacing the other copies with pointers that lead back to the original copy.


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NetApp reports that in some cases, deduplication can reduce storage requirements up to 95 percent, but the type of data you’re trying to deduplicate and the amount of file sharing your organization does will influence your own deduplication ratio. In a typical enterprise backup situation, compression may reduce backup size by a ratio of 2: