March 19, 201610 yr Just installed two new WD Blue 4TB, was about to preclear them, one is for parity2 and other for array expansion, but one of them comes with SMART disable, this is the first time I have this issue, swapped cable/sata port with other disk and issue remains, I can turn it on using smartctl but after a reboot it’s off again, any ideas? === START OF INFORMATION SECTION === Device Model: WDC WD40EZRZ-00WN9B0 Serial Number: WD-WCC4E0NE5YNS LU WWN Device Id: 5 0014ee 2b7a3d3bb Firmware Version: 80.00A80 User Capacity: 4,000,787,030,016 bytes [4.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 5400 rpm Device is: Not in smartctl database [for details use: -P showall] ATA Version is: ACS-2 (minor revision not indicated) SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is: Sat Mar 19 00:57:43 2016 GMT SMART support is: Available - device has SMART capability. SMART support is: Disabled
March 19, 201610 yr I have seen this before years ago with some Blue's. Not on unRAID but in Debian. If my memory serves the resolution was less than ideal. It was to add the command to enable SMART to run on boot.
March 19, 201610 yr I had a Toshiba disk behave in a similar way until I power cycled it, then the option stuck.
March 19, 201610 yr Author Well, power cycling didn’t help but as soon as I assign it SMART started working, so as long as it works when assigned I’m happy.
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