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RAID5 to fail in 2009

Blogs, linux, Product Info, Technical | 0 comments

It’s not a Y2K bug but the enhancement and new innovations causing this. I found this story reported on ZdNet blog few days back. You might find it interesting.

While disks are incredibly reliable devices, they do fail. Our best data – from CMU and Google – finds that over 3% of drives fail each year in the first three years of drive life, and then failure rates start rising fast.

With 7 brand new disks, you have ~20% chance of seeing a disk failure each year. Factor in the rising failure rate with age and over 4 years you are almost certain to see a disk failure during the life of those disks.

But you’re protected by RAID 5, right? Not in 2009.

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