Which drive to swap, high failure account or SMART failure

Z

zeroARMY

[H]ard|Gawd
Joined
Feb 22, 2003
Messages
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My 24 drive (two 12 drive RAID-Z2s) ZFS storage system isn't look too great today. 4 drives have high error counts, but only one failed the SMART test:

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I only have 1 cold spare handy. Should I replace the one with the highest error count of 418, or the one that failed the smart_heatlh test with "only" 34 errors?

Also, to replace the failing drives, what would be the recommended replacement drive? A few years ago I was able to get some very similar Hitachis model 0F12117 for only $65 a piece, but now they have quadrupled in price.
 
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What caused the failures? Bumping? Loose data cable?

I had a Hitachi 7K1000.C that was getting more and more errors, apparently because the screws holding the circuit board had worked loose. No more errors after retightening.

A friend of mine has a 400GB external that has always failed SMART, ever since it he knocked it over horizontally a few years ago. It still works.
 
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