Hello,
the option -n is not working for the USB-Device Toshiba DWC120 2TB.
Smart Status reporting and checks work.
I am using version 6.4 2015-06-04 r4109
Here some output which hopefully helps to find the problem.
# smartctl -i -n idle /dev/sdb
smartctl 6.4 2015-06-04 r4109 [armv7l-linux-3.4.103] (local build)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org
CHECK POWER MODE: incomplete response, ATA output registers missing
CHECK POWER MODE not implemented, ignoring -n option
=== START OF INFORMATION SECTION ===
Model Family: Toshiba 3.5" DT01ABA... Desktop HDD
Device Model: TOSHIBA DT01ABA200
Serial Number: 33UVM71GS
LU WWN Device Id: 5 000039 ff3cc19d3
Firmware Version: MZ4OABB0
User Capacity: 2,000,398,934,016 bytes [2.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 5700 rpm
Form Factor: 3.5 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Thu Mar 10 12:36:18 2016 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
# lsusb -v
Bus 002 Device 002: ID 0480:d010 Toshiba America Inc External Disk 3TB
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.10
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0480 Toshiba America Inc
idProduct 0xd010 External Disk 3TB
bcdDevice 6.07
iManufacturer 1 Toshiba
iProduct 2 External USB 3.0
iSerial 3 20130416040777
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 2mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk-Only
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 22
bNumDeviceCaps 2
USB 2.0 Extension Device Capability:
bLength 7
bDescriptorType 16
bDevCapabilityType 2
bmAttributes 0x00000002
HIRD Link Power Management (LPM) Supported
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x00
wSpeedsSupported 0x000e
Device can operate at Full Speed (12Mbps)
Device can operate at High Speed (480Mbps)
Device can operate at SuperSpeed (5Gbps)
bFunctionalitySupport 1
Lowest fully-functional device speed is Full Speed (12Mbps)
bU1DevExitLat 10 micro seconds
bU2DevExitLat 2047 micro seconds
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered
------------------------------------------------------------------------------
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