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Will RAID Die In 2012?
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Guest,
User Rank: Apprentice
1/6/2012 | 4:37:22 AM
re: Will RAID Die In 2012?
Nah, disk is dirt cheap. There were companies like Xiotech that tried to sell storage systems which would repair disks in place instead of just replacing them, but the price of disk and the size of disks came down so fast that people decided they would rather just replace them altogether than try to repair a couple of hundred dollar drive.

Check out XIV for controllers that use drives to their potential. The XIV controllers have an awesome algorithm that slices data into 1 MB chunks and spreads the data across every disk in the array (no more RAID planning). The controllers are attached to each disk module (not the standard dual controller bottleneck) so they work in tandem on IO requests, massive parallel processing, which allows disks to be rebuilt in about 30 minutes.
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1/6/2012 | 4:30:19 AM
re: Will RAID Die In 2012?
Definitely, disk is wicked cheap and RAID is used by everyone down to people in their dorm rooms making video productions. Flash is expensive. I think people will keep on keeping on with disk, maybe a little flash for hot objects, but move to an XIV or XIV-like architecture where the controller automatically slices the data into 1 MB chunks and spreads it across every disk in the array.
UberGoober
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UberGoober,
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1/4/2012 | 7:42:49 PM
re: Will RAID Die In 2012?
"RAID is now mainstream, but with drive prices still being rather high it is not an option for most." Huh?

RAID was mainstream in the late '90s, and anyone who puts in a business server without RAID or equivalent today, even in a very small business, should turn in their (probably paper) credentials. Virtually every server and even most workstations include at least hardware mirroring, and the price of the extra drive(s) is a tiny fraction of the system and implementation cost.
YMOM100
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YMOM100,
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1/4/2012 | 12:44:02 PM
re: Will RAID Die In 2012?
RAID is now mainstream, but with drive prices still being rather high it is not an option for most. There is more value in a solid backup solution, which one needs with or without RAID.
What we really need is tremendously better quality drives. The prices remained high and the quality went down. At the same time competition went away with the numerous mergers. We see the results of that now, companies like Seagate now have one year warranties for most of their drives, mainly because that fits the live expectancy of their shoddy workmanship. It used to be that three and five year warranties were a competitive advantage, but since the market is already divvied up there is no jockeying for position.
Would be nice if SSD became a real alternative, but at three to four times the price of hard drives and much smaller capacities it is still a niche product.

As far as rebuilding RAIDs, maybe we just need faster controllers that fully use the drives' potentials?
Bprince
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Bprince,
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12/31/2011 | 3:00:57 PM
re: Will RAID Die In 2012?
More on the future of RAID:
http://searchstorage.techtarge...
Brian Prince, InformationWeek/Dark Reading, Comment Moderator
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12/29/2011 | 12:50:16 AM
re: Will RAID Die In 2012?
Yes, I think it will die. When IBM brought grid (or virtualized, if you like) storage to the mainstream market with XIV and demonstrated 30 minutes 2 TB disk rebuilds (in addition to not having to deal with RAID striping), everyone went in the same direction.


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