smartctl 6.5 2016-01-24 r4214 [i686-linux-4.10.0-28-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

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

Use smartctl -h to get a usage summary