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I have a small disc farm I run on two different Slackware boxes. Each has form 6 to 8 drives, mostly SATA, however the root drive for one is a Maxstor 60 Gb drive which is probably as old as many teenagers. (SMART shows it has having ZERO read errors, as well as other unbelievable numbers.)
All of the storage drives range from 1.5 TB (Seagate) to 4TB WD Red or Seagate drives.
It seems that after power failures, I always run the risk of having a drive not come to life again. Such was the case this weekend, the second this summer.
I keep the case temps well below 40C, usually about 27 to 30C, I run SMART a couple of times a day, every drive gets a long test once a week, automatically, and will all my failures for the last several years, there have been no warnings.
So I am trying to find out what I need to do different. I keep them cool, use a rubber gasket mounting them to help isolate high frequency vibration, spin them down when not used for a period of time, and so on.
I am also trying to figure out what I will replace two failed drives with. Based on a small sample size, I am inclined to use the WD Red drives. HGST (a WD company) has a drive which in the 4TB configuration claims a 1 million hour MTBF. Yeah, right. Product reviews are largely useless, because they praise new products, not look at the history of failures on generations of related products.
Any ideas? Anyone work for a big disc farm, who can comment on what they buy and how they take care of them?
For me, slow spins and low power are nice, but long life would be really really nice.