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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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For example, the same file may be saved in several different places by different users, or two or more files that aren’t identical may still include much of the same data.

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Data DeDuplication for Dummies.pdf

Data deduplication is a highly proprietary technology. Stay up to date on the latest developments in Internet terminology with a deduplicafion newsletter from Webopedia. 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, etc.

Also, compression doesn’t get rid of duplicated data — the storage system could still contain multiple copies of compressed files.

Data Deduplication For Dummies – CIO

What is your job function? By contrast, target deduplication takes place within the backup system and is often much easier to deploy. To the running of this website, we need your help to support us.


Data DeDuplication for Dummies. We are always happy to assist you. Networking fundamentals teaches the building blocks of modern network design. Searching our resource database to find your matches Companies frequently use deduplication in backup and disaster recovery applications, but it can be used to free up space in primary storage as well.

Block-level deduplication frees up more space than Dta, and a particular type known as variable block or variable length deduplication has become very popular. Which topic are you interested in?

Often the phrase data deduplication is used as a synonym for block-level or variable length deduplication. The advantage of source deduplication is that is reduces the bandwidth requirements and time necessary for backing up data. The process for implementing data deduplication technology varies widely depending on the type of product and the vendor.

data deduplication

Share Data DeDuplication for Dummies. For general information on our other products and services, please contact our Business Development Dmmies in the U. StorNext is a registered trademark of Quantum Corporation.

Join to subscribe now. Deduplication is sometimes confused with compression, another technique for reducing storage requirements.

From A3 to ZZZ this guide lists 1, text message and online chat abbreviations to help you translate and understand today’s texting lingo. Grant writing for dummies pdf by beverly a browning ebook. While deduplication eliminates redundant data, compression uses algorithms to save data more concisely. 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.


The benefit of in-line deduplication is that it requires less storage space than post-process deduplication, but it can dumjies down the backup process.

Deduplication can also take place on the block level, eliminating duplicated blocks of data that occur in non-identical files. Post-process deduplication takes place after the backup has been written, so it requires that organizations have a great deal of storage space available for the original backup. Deduplication eliminates these extra copies by saving just one copy of the data and replacing the other copies with pointers that lead back to the original copy. Many other vendors also own patents related to deduplication technology.

All other trademarks are the property of their respective owners. Data deduplication is a technique used to reduce the amount of storage space an organization needs to save its data.

What is Data Deduplication? Webopedia Definition

Thank you for visiting our website and your interest in our free products and services. Learn different types of networks, concepts, architecture and For example, if deduplication technology is included in a backup appliance or storage solution, the implementation process will be much different than for standalone deduplication software. Quantum dummkes the Quantum logo are trademarks of Quantum Corporation.