I am trying to disable SMART on a Samsung SSD, to follow the advice in this question. I run the following command: sudo smartctl --smart=off /dev/disk4 smartctl 7.4 2023-08-01 r5530 [Darwin 21.4.0 x86_64] (local build) Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org === START OF ENABLE/DISABLE COMMANDS SECTION === […]