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Vol. 9 Num. 6 September 2010

Aging RAID still an effective protection technology

RAID has taken some knocks lately, like criticism that it's a nearly 30-year-old technology that can't stand up to the rigors of a modern data storage environment. But 96% of the respondents to our survey said they rely on some form of RAID. RAID has taken some knocks lately, like criticism that it's a nearly 30-year-old technology that can't stand up to the rigors of a modern data storage environment. But maybe it's been around so long because it's so good: 96% of respondents to our survey rely on some form of RAID. The most-used RAID configuration isn't much of a surprise, as 87% use RAID 5, followed by RAID 1 (52%) and RAID 10 (40%). Seventy-five percent of RAID users employ more than one type on RAID on their storage systems, and nearly 20% juggle four different RAID configurations in their shops. But that's not to suggest users are totally enamored with RAID, as their two biggest gripes are inefficient use of disk capacity (36%) and lengthy rebuild times (32%); however, 10% of respondents didn't see any particular ...

Features in this issue

  • Virtualizing NAS

    Companies of all sizes are being inundated with unstructured data that's straining the limits of traditional file storage. File virtualization can pool those strained resources and provide for future growth.

Columns in this issue

  • ILM lives again!

    Information lifecycle management faded into oblivion without getting serious notice. But it's back now, with a new name and more realistic goals.

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