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Vol. 5 No. 7 September 2006

CDP: Look before you leap

Many experts say CDP will replace traditional backup. But before you take the plunge, here are some key points to consider. Continuous data protection (CDP) is getting almost as much press as Apple's iPod. CDP tracks data modifications and stores changes independent of the primary data, and lets you recover data in seconds from any point in the past. Some pundits have postulated that CDP will replace backup. But is that just new technology hyperbole or is CDP a must-have technology? CDP provides a recovery point objective (RPO) and recovery time objective (RTO) of essentially zero data loss with a very fast recovery. Defined another way, CDP is a time-stamped backup stored on secondary disk. The appeal of CDP is its ability to quickly rewind applications to any point in time to find a consistent image of the data. But don't confuse CDP with mirroring, which provides data protection only from hardware failures. If data is corrupted or deleted on the primary system, it will be on the mirrored copy, too. CDP provides protection ...

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Features in this issue

  • Tricky backup for SharePoint

  • CDP: Look before you leap

    Some pundits have postulated that continuous data protection (CDP) will replace backup. But is that just new technology hyperbole or is CDP a must-have technology?

  • Backup-to-disk performance tuning

    Disk-based backup can lower costs, reduce complexity and add scalability. But to achieve top performance, you'll need to do lots of benchmarking and watch for poorly configured production storage.

Columns in this issue

  • Backup best practices are always evolving

    Some new advances in backup, such as virtual tape libraries, represent evolutionary enhancements to the traditional backup process, while others like continuous data protection and single-instance storage are potentially far more transformational.

  • 10 points to consider before deploying an e-mail archive

    Selecting an e-mail archiving application based solely on features and functions may result in unexpected administration costs. Consider these 10 points before deploying an e-mail archiver.

  • Some small tech upstarts might play big roles

    Storage Bin: The big storage vendors are always trying to steal a piece of each other's pie. But some small tech upstarts might play big parts in determining who comes out on top.

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