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Vol. 8 Num. 1 March 2009

Where does deduplication belong in backup? (Hot Spots)

Should you go with a software-based approach that allows for policy-based deduplication or a hardware-based approach because it can be implemented quickly and easily? By Lauren Whitehouse The impact that data growth is having on backup windows is driving more organizations to implement disk-to-disk backup. This has created tremendous interest in data deduplication because the capacity optimization resulting from deduplication means that data can be retained longer on disk, which increases the likelihood of a disk-based recovery vs. a slower, manual, tape-based recovery. While deduplication has been a feature of several backup offerings for years, the technology has been most widely adopted in backup hardware, such as virtual tape libraries (VTLs) and network-attached storage (NAS)-based disk targets. Meanwhile, deduplication implementations in backup software require organizations to switch out legacy solutions, which the hardware-based deduplication vendors have made sure to point out isn't always a desirable path. Now that ...

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Features in this issue

  • More testing, more confidence for DR plans

    More firms are testing their disaster recovery (DR) plans regularly, and storage managers are more confident that their DR plans can avert a significant business disruption.

Columns in this issue

  • Think data, not equipment (Storage Bin 2.0)

    If IT can put itself back into a position of treating every decision from the perspective of the data itself, our effectiveness could be optimized.

  • Where does deduplication belong in backup? (Hot Spots)

    Should you go with a software-based approach that allows for policy-based deduplication or a hardware-based approach because it can be implemented quickly and easily?

  • Data on the brink

    You might think your company's data is secured and safely backed up, but there's probably still a lot of crucial data that's out of the reach of your backup systems.

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