smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.10.0-26-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

/dev/**sdb**: Unable to detect device type
Please specify device type with the -d option.

Use smartctl -h to get a usage summary