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Vol. 6 No. 12 February 2008

Storage Bin 2.0: Time for RAID to die

Once upon a time, RAID was good enough for us. But now we deserve better. If you don't agree that it's time for RAID to die, then I'll also assume you use 35mm film in your camera, don't own a cell phone and think this Internet thing is a fad. RAID is what's primarily available to us, but that doesn't mean it's what we want. To quote Henry Ford talking about cars, "You can have any color you want, as long as it's black." RAID was built to improve performance and, more importantly, for protection in the case of drive failures. And because disk drives do three things (read, write and break), RAID has been essential over the years. However, the world has changed radically since RAID was invented. There are storage systems that now minimize the use of RAID and others that are moving away from RAID completely. RAID was developed at a time when disk capacity was expensive. Ease of management and scalability were secondary. Managing hundreds of terabytes--and even petabytes--is commonplace today; therefore, managing complex RAID ...

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Features in this issue

  • Users still wary about LTO-4 encryption

  • Snapshot: Data protection SLAs on the upswing

  • More Than Just Backup

    Data protection is changing rapidly, with point-in-time recoveries, fast legal discovery response and near real-time disaster recoveries becoming new requirements. To address these needs, enterprise backup applications are adding support for continuous data protection, deduplication, ediscovery, single-instance storage and the VMware Consolidated Backup framework. These backup suites promise not only integrated data protection, but overall enterprise data management.

Columns in this issue