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Vol. 5 No. 7 September 2006

Is VTL a transitory technology?

Disk-based backup has taken a huge step forward in recent years with the advent of the virtual tape library (VTL), but the technology may already be on its way out, according to some users and analysts. "In the short term, the need to emulate tape is important," says Jeff Machols, systems integration manager at benefits provider CitiStreet, a subsidiary of Citigroup and State Street Corp. "Long term, I see the need to emulate tape diminishing; the actual emulation of tape and robotic libraries was merely a way to get in the door for the VTL." The appeal of the VTL, says Machols, is that companies can add disk to their backup process without having to change their backup software, scripts or procedures, all of which were originally designed to write to tape. Now that disk-based backup is becoming widely accepted, "the software companies are the ones [that will] be running to catch up," notes Machols. "Organizations are going to want to start taking advantage of more and more disk-to-disk functionality, and will probably be ...

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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.