/dev/sda smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.4.106-1-pve] (local build) Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org /dev/sda: requires option '-d cciss,N' Please specify device type with the -d option. Use smartctl -h to get a usage summary