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Vol. 3 No. 11 January 2005

Think thin (provisioning)

It's an old story: Manual provisioning of storage is a source of tension between storage and application folks, and contributes to the poor capacity utilization that persists in many storage area networks (SANs). Those on the application side usually ask for more capacity than they need, says Craig Nunes, senior director of marketing at SAN array maker 3PAR, Fremont, CA. "The application guy thinks, 'If I get 500GB, I'll never need to take down my application,'" says Nunes. Storage admins, meanwhile, try to put off unnecessary disk purchases and push to allocate less than they're being asked for. In the end, the application usually wins out. In Nunes' experience, applications typically get 75% more capacity than they use. To this end, 3PAR users can license Thin Provisioning, which presents an application with a virtual volume of arbitrary size, but only allocates physical capacity to it as data is actually written. LeftHand Networks also supports this concept, says Tom Major, the firm's VP of marketing, although it doesn't have...

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Features in this issue

  • PCI express ready to go

    PCI express on track as next bus architecture.

  • Guests arrive at LTO-3 party

  • Inside ILM

    Information lifecycle management addresses the overall management of information from its creation to its demise. While full ILM applications aren't here yet, you can begin building an information management framework with the data lifecycle in mind.

  • Think thin (provisioning)

  • Back up desktop data

    The job of protecting desktop data is much easier today with applications specifically designed for the job, continuous data protection applications and third-party services.

  • Best storage products of 2004

    Our third annual Products of the Year presents 15 products that could transform the way you manage storage. The editors of Storage and SearchStorage.com, along with a panel of industry experts, selected these standout products based on innovation and value, among other criteria.

Columns in this issue

SearchSolidStateStorage

SearchVirtualStorage

SearchCloudStorage

SearchDisasterRecovery

SearchDataBackup

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