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    Home Latest News
    • Storage

    Deduplication Means Efficiency

    By
    Chris Preimesberger
    -
    April 13, 2007
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      EMC brought deduplication to the attention of the IT world with its $165 million acquisition of startup Avamar Technologies in November 2006. Officials with the Hopkinton, Mass., company said this technology was one of the last pieces of the storage puzzle it did not own.

      Since then, most all storage vendors have been acquiring the technology—or adding their own homemade version—into their product lines.

      Used correctly, deduplication—which replicates only the unique segments of data that need to be stored—can cut the amount of data by 50 to 90 percent, not only saving storage space but also increasing bandwidth, lowering power and cooling requirements due to “resting” or inactive servers, and saving companies money on the bottom line.

      Data Domain, EMC/Avamar, Diligent Technologies and Quantum are among the market leaders in the burgeoning deduplication space. In TheInfoPros Storage Network & Storage Management Wave 8 study in January, a survey of Fortune 1000 IT managers cited Data Domain as the leading vendor in their spending plans for deduplication technology. According to TheInfoPros Technology Heat Index, a measure of users spending and implementation plans, Data Domain was listed as the lead “in plan” deduplication vendor, generating twice as many responses as its nearest competitor.

      /zimages/3/28571.gifDeduplication is one of the leading storage trends. Click here to read more.

      In October 2006, Data Domain introduced the DDX array—what officials claimed was the industrys first data center-scale deduplicating protection storage array. Now, more than 700 customers are using the product, and that number is growing, said Frank Slootman, president and CEO of Data Domain.

      Quantum is using deduplication technology acquired via its August 2006 ADIC (Advanced Digital Information Corp.) acquisition (which previously had acquired Rocksoft) in both disk- and virtual-tape-based backup products. Diligent, an up-and-coming player in the space, deduplicates data using a proprietary algorithm while the data is on its way into the backup target, which, in Diligents case, is a VTL (virtual tape library).

      Avamars founder and president, Jed Yueh, whose nearly 500 customers include half of the Fortune 50 companies, told eWEEK that “data deduplication technology can transform archaic [digital tape] procedures, enabling automated, encrypted disaster recovery across existing wide-area networks and accelerating the shift to disk as the de facto medium for data protection.”

      Although the market often lumps deduplication solutions together, differences in implementation lead to significant differences in customer benefits.

      “For instance, in real-world customer deployments, Avamar has seen as high as 588-1 daily reduction in network traffic and data storage for backups, a rate of efficiency that dwarfs the competition,” Yueh said. “Most of our competitors deduplicate at the target, after the backup server has requested resource-taxing full and incremental backups. Avamar, on the other hand, eliminates the avalanche before it happens, at the source.”

      This also provides a critical, differentiating benefit: the ability to network-mount point-in-time backups to use in conjunction with external applications such as search or document classification, Yueh said.

      “In the end, I believe data deduplication will become a foundation technology for tomorrows information infrastructure,” Yueh said.

      /zimages/3/28571.gifCheck out eWEEK.coms for the latest news, reviews and analysis on enterprise and small business storage hardware and software.

      Chris Preimesberger
      https://www.eweek.com/author/cpreimesberger/
      Chris J. Preimesberger is Editor Emeritus of eWEEK. In his 16 years and more than 5,000 articles at eWEEK, he distinguished himself in reporting and analysis of the business use of new-gen IT in a variety of sectors, including cloud computing, data center systems, storage, edge systems, security and others. In February 2017 and September 2018, Chris was named among the 250 most influential business journalists in the world (https://richtopia.com/inspirational-people/top-250-business-journalists/) by Richtopia, a UK research firm that used analytics to compile the ranking. He has won several national and regional awards for his work, including a 2011 Folio Award for a profile (https://www.eweek.com/cloud/marc-benioff-trend-seer-and-business-socialist/) of Salesforce founder/CEO Marc Benioff--the only time he has entered the competition. Previously, Chris was a founding editor of both IT Manager's Journal and DevX.com and was managing editor of Software Development magazine. He has been a stringer for the Associated Press since 1983 and resides in Silicon Valley.
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