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Aging RAID still an effective protection technology
This article is part of the Storage magazine issue of Vol. 9 Num. 6 September 2010
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 ...
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Features in this issue
RAID has taken criticism that it 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.
Storage performance issues are often not related to the storage system at all, but rather to the storage network that links servers to disk arrays. These 10 tips will help you find and fix the bottlenecks in your storage network infrastructure.
The fifth edition of our service and reliability survey for midrange arrays shows that users of midrange storage systems are pretty darned satisfied with thier purchases.
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Columns in this issue
Storage vendors have been busy creating server-to-application product stacks. It looks like the type of ploy that will give them more leverage, and take it away from you.
Tools like automated tiering and thin provisioning help users cope with growing capacity demands; but more drastic measures, like primary storage data reduction, are needed.
Learn about a handful of key technologies that can help storage managers meet their backup recovery time objectives (RTOs) by making the first steps -- data capture and transfer -- simpler and more efficient.
Information lifecycle management faded into oblivion without getting serious notice. But it's back now, with a new name and more realistic goals.