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Vol. 8 Num. 2 April 2009

Data virtualization turns less into more

Less physical data living and moving over our plumbing means we can have more virtual instances of that data, which drives even more value. By Steve Duplessie Data virtualization, which is a virtual instance of data instead of a physical one, is perhaps the most interesting means of gaining efficiency throughout the entire spectrum of IT operations. But people often overlook that data is the reason why the infrastructure exists to begin with. Therefore, solving inefficiencies directly at the data layer will often have the most significant return on effort and investment. Deduplication, thin provisioning and snapshots are examples of techniques that dramatically reduce or eliminate the true physical issues associated with data, and continue to provide unfettered "virtual" access. Consider data deduplication. Data is duplicated time and time again (pushing the capacity limits of all infrastructures and taxing operating processes), often for perfectly valid reasons. However, it has an exponential negative impact on the backup, ...

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Features in this issue

  • Power-smart disk systems

    Disk drive systems use more power than just about any other data center gear, but storage vendors are addressing this problem with a variety of technologies.

  • Value-based data protection

    There's no skimping when it comes to data protection, but tight budgets mean that storage managers will be looking for solid value in their backup products.

  • The buzz about dedupe

    Approximately one-third of respondents to Storage magazine's latest survey use a dedupe product, but how easy will it be to convert stragglers?

  • Replication alternatives

    Data replication is great for protecting critical data and ensuring quick recoveries. Find out where you should deploy replication: in your array, network or servers.

  • Virtual jobs

    Virtualizing servers, storage and even networks will change the face of IT and significantly impact the roles of storage professionals.

Columns in this issue