[root@localhost beka]# smartctl -a /dev/sdb
smartctl 6.2 2014-07-16 r3952 [x86_64-linux-3.19.7-200.fc21.x86_64] (local build) Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

 Read Device Identity failed: Unknown error A mandatory SMART command failed: exiting.
 To continue, add one or more '-T permissive' options. –  user61300 21 hours ago
  -----------------------------------------------------------------------------------------------
[root@localhost beka]# smartctl -t short /dev/sdb smartctl
 6.2 2014-07-16 r3952 [x86_64-linux-3.19.7-200.fc21.x86_64] (local build) Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

Read Device Identity failed: Unknown error A mandatory SMART command failed: exiting.
To continue, add one or more '-T permissive' options. –  user61300 21 hours ago
  -----------------------------------------------------------------------------------------------------
[root@localhost beka]# smartctl T permissive -a /dev/sdb
smartctl 6.2 2014-07-16 r3952 [x86_64-linux-3.19.7-200.fc21.x86_64] (local build) Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org



=== START OF INFORMATION SECTION ===
 Device Model: [No Information Found]
Serial Number: [No Information Found]
Firmware Version: [No Information Found]
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: [No Information Found]
Local Time is: Mon May 25 11:42:40 2015 EET
SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 82-83 don't show if SMART supported.
 SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 85-87 don't show if SMART is enabled.