Seagate OEM 3 TB 7200.14 HDD - Newegg - $74.99 AC FS

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tasukete

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Jun 22, 2009
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These drives are infamous. BackBlaze has taken 90% of them out of service: https://www.backblaze.com/blog/3tb-hard-drive-failure/

I own six of these drives and three of them failed within two weeks of each other. There was a manufacturing issue in the 7200.12 generation (and apparently still exists) where the drive heads would wear down, causing drives to work fine for about 20 months and then all fail at about the same time. Devastating for RAID.
 

tasukete

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Jun 22, 2009
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Oh, I didn't see that OP already mentioned BackBlaze. Seagate defines the consumer duty cycle as "8 x 5" -- that is, the drive is powered only 8 hours a day, 5 days a week. That seems fairly unlikely for most folks who'd be on this forum.

But that doesn't really have much to do with this type of failure mode. If this were simply a case of exceeding the rated duty cycle, you would not see the hockey-stick failure curve that BackBlaze reports. What BackBlaze probably doesn't know is that the enterprise 7200.11 and 7200.12 had similar problems (and similar failure curve), both due to manufacturing flaws.
 
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