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Vol. 7 No. 7 September 2008

Dedupe myths and methods

Data deduplication products can dramatically lower capacity requirements, but picking the best one for your needs can be tricky. Exaggerated claims, rapidly changing technology and persistent myths make navigating the deduplication landscape treacherous. But the rewards of a successful dedupe installation are indisputable. "We're seeing the growing popularity of secondary storage and archival systems with single-instance storage," says Lauren Whitehouse, analyst at Enterprise Strategy Group (ESG), Milford, MA. "A couple of deduplication products have even appeared for use with primary storage." The technology is maturing rapidly. "We looked at deduplication two years ago and it wasn't ready," says John Wunder, director of IT at Milpitas, CA-based Magnum Semiconductor, which makes chips for media processing. Recently, Wunder pulled together a deduplication process by combining pieces from Diligent Technologies Corp. (deduplication engine), Symantec Corp. Veritas NetBackup and Quatrio (servers and storage). Assembling the right ...

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Features in this issue

  • Ask the Experts: RTOs and RPOs

    Is there a standard ratio between RTOs and RPOs, or are they independent of each other?

  • CDP in depth

    Continuous data protection (CDP) technology is now a viable alternative to traditional backup software and storage system-based replication software. But CDP products can vary significantly, especially in the context of different storage architectures. Depending on specific environments, companies may have to evaluate very different criteria before settling on a CDP product.

  • The lure of open-source backup programs

Columns in this issue