smartctl 6.5 2016-05-07 r4318 [x86_64-linux-4.4.30-unRAID] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

/dev/sda: Unknown USB bridge [0x05dc:0xa205 (0xa00)]
Please specify device type with the -d option.

Use smartctl -h to get a usage summary

