/dev/sda smartctl 7.0 2018-12-30 r4883 [x86_64-linux-5.8.5-arch1-1] (local build) Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Samsung based SSDs Device Model: Samsung SSD 840 EVO 250GB Serial Number: -- LU WWN Device Id: 5 002538 ... Firmware Version: EXT0DB6Q User Capacity: 250,059,350,016 bytes [250 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 4c SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Thu Sep 3 16:10:33 2020 UTC SMART support is: Available - device has SMART capability. SMART support is: Disabled AAM feature is: Unavailable APM feature is: Unavailable Rd look-ahead is: Enabled Write cache is: Enabled DSN feature is: Unavailable ATA Security is: Disabled, frozen [SEC2] Unexpected SCT status 0x0001 (action_code=4, function_code=2) Wt Cache Reorder: Unknown (SCT Feature Control command failed) SMART Disabled. Use option -s with argument 'on' to enable it. (override with '-T permissive' option)