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Aren’t they meant to go in data centers? You wouldn’t want a drive in a data center to spin down. That introduces latency in getting the data off of them.
That should be a choice of the OS / controller card not of the drive itself. Also what datacenter wants to run drives that don't report half of the SMART data just because they felt like it?
Data centers replace drives when they fail and that's about it. They don't care much about SMART data.
We used to use smart data to predict when to order new drives and on really bad looking days increase our redundancy. Nothing like getting a bad series of drives for PB of data to make you paranoid I guess.
What kind of attributes did you find relevant? I imagine the 19x codes...
I've read the Blackblaze statistics and I'm using a tool (Scrutiny) that takes those stats into account for computing failure probability, but at the end of the day the most reliable tell is when a drive gets kicked out of an array (and/or can't pass the long smart test anymore).
Meanwhile, I have drives with "lesser" attributes sitting on warning values (like command timeout) and ofc I monitor them and have good drives on standby, but they still seem to chug along fine for now.