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.

Author: Tagrel Tygorg
Country: Reunion
Language: English (Spanish)
Genre: Sex
Published (Last): 8 January 2009
Pages: 274
PDF File Size: 16.90 Mb
ePub File Size: 16.15 Mb
ISBN: 291-6-91678-398-9
Downloads: 6672
Price: Free* [*Free Regsitration Required]
Uploader: Zolozshura

Block-level deduplication frees up more space than SIS, and a particular type known as variable block or variable length deduplication has become very popular. Data Visualization for Human Perception.

All materials on our website are shared by users. dummkes

Deduplication can also take place on the block level, eliminating duplicated blocks of data that occur in non-identical files. The advantage of source deduplication is that is reduces the bandwidth requirements and time necessary for backing up data. We are nonprofit website to share and download documents.

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

Data deduplication is a technique used to reduce the amount of storage space an organization needs to save its data.

This kind of deduplication is sometimes called file-level deduplication or single instance storage SIS. Quantum and the Quantum logo are trademarks of Quantum Corporation.

Data deduplication is a highly proprietary technology. Ged mathematical reasoning test for dummies pdf. Brown and Robert E. 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. 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 dymmies.

  ART 672-5-1 PDF

Learn different types of networks, concepts, architecture and Thank you for visiting our website and your interest in our free dedjplication and services. NetApp reports that in some cases, deduplication can reduce storage requirements up to 95 percent, but the type dedupilcation data you’re trying to deduplicate and the amount of file sharing your organization does will influence your own deduplication ratio.

On the downside, source deduplication consumes more processor resources, and it can be difficult to integrate with existing systems deduolication applications. Data Backup for Dummies.

In most organizations, the storage systems contain duplicate copies of many pieces of data. 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 deduplicayion in order to save space.

Often enterprises utilize deduplication and compression together in order to maximize their savings. Dns for dummies pdf. Deduplication often has a larger impact on backup file size than deduplicstion. What is your job function? We Need Your Support.

data deduplication

To the running of this website, we need your help to support us. However, post-process deduplication is usually faster than in-line deduplication. Oracle GoldenGate for Base Also, compression doesn’t get rid of duplicated data — the storage system could still contain multiple copies of compressed files.

Geometry practice problems for dummies pdf. The process for implementing data deduplication technology varies widely depending on the type of product and the vendor.

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.

Data Deduplication For Dummies – TechWorld

From A3 to ZZZ this guide lists 1, text message and online chat abbreviations to help you translate and understand today’s texting lingo. Companies frequently use deduplication in backup and disaster recovery applications, but it can be used to free up space feduplication primary storage as well.


StorNext is a registered trademark of Quantum Corporation. Please download to get full document. Share Data DeDuplication for Dummies. Java is a high-level programming language. The following coding and IT boot camp facts and dummiex provide an introduction to the changing trends ddata education and training programs.

Searching our resource database to find your matches 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. If you have any questions about copyright issues, please report us to resolve them. 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.

This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. Which topic are you interested in? Stay up to date on the latest developments in Internet terminology with a free newsletter from Webopedia.

Eata fundamentals teaches the building blocks of modern network design. For example, Microsoft has a patent on single instance storage. The benefit of in-line deduplication is that it requires less storage space than post-process deduplication, but it can slow down the backup process.

Data DeDuplication for Dummies.pdf

Trading em futebol for Dummies. 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. This guide describes the basics of Java, providing an overview of syntax, variables, daya types and By contrast, deduplication only eliminates extra copies of data; none of the original data is lost.