/dev/sda smartctl 7.1 2019-12-30 r5022 [x86_64-linux-4.15.0-20-generic] (local build) Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org Short INQUIRY response, skip product id A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.