[Smartmontools-database] Incorrect data for Seagate Backup Plus Hub 6 TB

Mikko Rantalainen mikko.rantalainen at peda.net
Wed Jan 2 12:52:05 CET 2019


Dear Sirs,

The information at https://www.smartmontools.org/wiki/Supported_USB-Devices
regarding Seagate Backup Plus Hub 6 TB seems to be a bit incorrect. The
correct way to access SMART data on this device is to disable all
usb_storage quirks (echo "0bc2:ab38:" >
/sys/module/usb_storage/parameters/quirks and reconnect the USB cable) and
then use smartctl -d sat /path/to/device. With the default kernel quirks
for Seagate enclosures ("t") the way to access the device is smartctl -d
sat,auto /path/to/device but then the SMART output will be partial only and
it seems like SMART is supported but disabled. The hdparm -I and hdparm -i
does also works once all quirks have been disabled.

This enclosure has two USB devices (one USB hub and one USB-SATA bridge. As
far as I know the USB-SATA bridge is connected to the hub and the same hub
also has connection to 2 external USB 3 ports in the front of the enclosure
for additional end user devices).

0bc2:ab38 is the USB-SATA bridge
0bc2:ab45 is the HUB

I haven't dismantled my device but accoding to PCB images and some Youtube
videos it looks like this enclosure contains Genesys Logic GL 3520 (4 port
USB hub controller) and ASMedia ASM1153 USB-SATA bridge.

I've transferred around 4 TB of data (both read and write) and it seems
that UAS does work correctly with this device without any usb_storage
quirks both over USB2 and USB3 ports.

The actual real world performance with full UAS features seems to hover
around 80-150 MB/s for read and 0-160 MB/s for writing when connected to
USB 3 port. The SMR behavior is really bad and the write performance goes
through the floor every now and then if you keep writing to the device a
lot (write IOPS goes from around 120 to 0). Long time average for writing
is around 30 MB/s if you keep pushing bytes even when write performance
drops. The drive seems to have around 10-20 GB internal non-SMR
cache/buffer where performance is good but once you go over that limit, the
write bandwidth goes all over the place. The drive seems to do internal
cleanup of the cache/buffer area if both power and USB cable are powered. I
have seen extra activity for around 20-30 minutes after stopping writing
lots of data or after connecting the drive that has not been completed the
cleanup before power has been disconnected. Connecting only the power
source cable is not enough to get the drive to initiate the cleanup but in
addition connecting USB cable to power only USB port is enough to trigger
the cleanup cycle as long as both cables are connected. When USB cable is
disconnected the drive will go to sleep even if internal cleanup is waiting.

Example smartctl -x:

smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.15.0-43-lowlatency] (local
build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:     ST6000DM003-2CY186
Serial Number:    ZCT0DBAY
LU WWN Device Id: 5 000c50 0b33609e1
Firmware Version: 0001
User Capacity:    6.001.175.126.016 bytes [6,00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    5425 rpm
Form Factor:      3.5 inches
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-3 T13/2161-D revision 5
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Mon Dec 31 19:56:28 2018 EET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is:   Unavailable
APM feature is:   Unavailable
Rd look-ahead is: Enabled
Write cache is:   Enabled
ATA Security is:  Disabled, NOT FROZEN [SEC1]
Wt Cache Reorder: Unavailable

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x00)    Offline data collection activity
                    was never started.
                    Auto Offline Data Collection: Disabled.
Self-test execution status:      (   0)    The previous self-test routine
completed
                    without error or no self-test has ever
                    been run.
Total time to complete Offline
data collection:         (    0) seconds.
Offline data collection
capabilities:              (0x73) SMART execute Offline immediate.
                    Auto Offline data collection on/off support.
                    Suspend Offline collection upon new
                    command.
                    No Offline surface scan supported.
                    Self-test supported.
                    Conveyance Self-test supported.
                    Selective Self-test supported.
SMART capabilities:            (0x0003)    Saves SMART data before entering
                    power-saving mode.
                    Supports SMART auto save timer.
Error logging capability:        (0x01)    Error logging supported.
                    General Purpose Logging supported.
Short self-test routine
recommended polling time:      (   1) minutes.
Extended self-test routine
recommended polling time:      ( 806) minutes.
Conveyance self-test routine
recommended polling time:      (   2) minutes.
SCT capabilities:            (0x30a5)    SCT Status supported.
                    SCT Data Table supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate     POSR--   080   064   006    -    95838840
  3 Spin_Up_Time            PO----   095   095   000    -    0
  4 Start_Stop_Count        -O--CK   100   100   020    -    15
  5 Reallocated_Sector_Ct   PO--CK   100   100   010    -    0
  7 Seek_Error_Rate         POSR--   067   060   045    -    4759069
  9 Power_On_Hours          -O--CK   100   100   000    -    22 (58 208 0)
 10 Spin_Retry_Count        PO--C-   100   100   097    -    0
 12 Power_Cycle_Count       -O--CK   100   100   020    -    15
183 Runtime_Bad_Block       -O--CK   100   100   000    -    0
184 End-to-End_Error        -O--CK   100   100   099    -    0
187 Reported_Uncorrect      -O--CK   100   100   000    -    0
188 Command_Timeout         -O--CK   100   097   000    -    17180131332
189 High_Fly_Writes         -O-RCK   100   100   000    -    0
190 Airflow_Temperature_Cel -O---K   054   050   040    -    46 (Min/Max
23/48)
191 G-Sense_Error_Rate      -O--CK   100   100   000    -    0
192 Power-Off_Retract_Count -O--CK   100   100   000    -    12
193 Load_Cycle_Count        -O--CK   100   100   000    -    15
194 Temperature_Celsius     -O---K   046   050   000    -    46 (0 23 0 0 0)
195 Hardware_ECC_Recovered  -O-RC-   080   064   000    -    95838840
197 Current_Pending_Sector  -O--C-   100   100   000    -    0
198 Offline_Uncorrectable   ----C-   100   100   000    -    0
199 UDMA_CRC_Error_Count    -OSRCK   200   200   000    -    0
240 Head_Flying_Hours       ------   100   253   000    -    21 (209 113 0)
241 Total_LBAs_Written      ------   100   253   000    -    3772216425
242 Total_LBAs_Read         ------   100   253   000    -    37163709
                            ||||||_ K auto-keep
                            |||||__ C event count
                            ||||___ R error rate
                            |||____ S speed/performance
                            ||_____ O updated online
                            |______ P prefailure warning

General Purpose Log Directory Version 1
SMART           Log Directory Version 1 [multi-sector log support]
Address    Access  R/W   Size  Description
0x00       GPL,SL  R/O      1  Log Directory
0x01           SL  R/O      1  Summary SMART error log
0x02           SL  R/O      5  Comprehensive SMART error log
0x03       GPL     R/O      5  Ext. Comprehensive SMART error log
0x04       GPL,SL  R/O      8  Device Statistics log
0x06           SL  R/O      1  SMART self-test log
0x07       GPL     R/O      1  Extended self-test log
0x08       GPL     R/O      2  Power Conditions log
0x09           SL  R/W      1  Selective self-test log
0x0c       GPL     R/O   2048  Pending Defects log
0x10       GPL     R/O      1  SATA NCQ Queued Error log
0x11       GPL     R/O      1  SATA Phy Event Counters log
0x21       GPL     R/O      1  Write stream error log
0x22       GPL     R/O      1  Read stream error log
0x24       GPL     R/O    512  Current Device Internal Status Data log
0x30       GPL,SL  R/O      9  IDENTIFY DEVICE data log
0x80-0x9f  GPL,SL  R/W     16  Host vendor specific log
0xa1       GPL,SL  VS      24  Device vendor specific log
0xa2       GPL     VS    8160  Device vendor specific log
0xa6       GPL     VS     192  Device vendor specific log
0xa8-0xa9  GPL,SL  VS     136  Device vendor specific log
0xab       GPL     VS       1  Device vendor specific log
0xb0       GPL     VS    9048  Device vendor specific log
0xbd       GPL     VS       8  Device vendor specific log
0xbe-0xbf  GPL     VS   65535  Device vendor specific log
0xc0       GPL,SL  VS       1  Device vendor specific log
0xc1       GPL,SL  VS      16  Device vendor specific log
0xc3       GPL,SL  VS       8  Device vendor specific log
0xc4       GPL,SL  VS      24  Device vendor specific log
0xd1       GPL     VS     264  Device vendor specific log
0xd3       GPL     VS    1920  Device vendor specific log
0xe0       GPL,SL  R/W      1  SCT Command/Status
0xe1       GPL,SL  R/W      1  SCT Data Transfer

SMART Extended Comprehensive Error Log Version: 1 (5 sectors)
No Errors Logged

SMART Extended Self-test Log Version: 1 (1 sectors)
No self-tests have been logged.  [To run self-tests, use: smartctl -t]

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
    1        0        0  Not_testing
    2        0        0  Not_testing
    3        0        0  Not_testing
    4        0        0  Not_testing
    5        0        0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

SCT Status Version:                  3
SCT Version (vendor specific):       522 (0x020a)
SCT Support Level:                   1
Device State:                        Active (0)
Current Temperature:                    47 Celsius
Power Cycle Min/Max Temperature:     23/48 Celsius
Lifetime    Min/Max Temperature:     23/50 Celsius
Under/Over Temperature Limit Count:   0/0

SCT Temperature History Version:     2
Temperature Sampling Period:         3 minutes
Temperature Logging Interval:        59 minutes
Min/Max recommended Temperature:     14/55 Celsius
Min/Max Temperature Limit:           10/60 Celsius
Temperature History Size (Index):    128 (50)

Index    Estimated Time   Temperature Celsius
  51    2018-12-26 14:06     ?  -
 ...    ..( 75 skipped).    ..  -
 127    2018-12-29 16:50     ?  -
   0    2018-12-29 17:49    28  *********
   1    2018-12-29 18:48     ?  -
   2    2018-12-29 19:47    26  *******
   3    2018-12-29 20:46     ?  -
   4    2018-12-29 21:45    26  *******
   5    2018-12-29 22:44     ?  -
   6    2018-12-29 23:43    27  ********
   7    2018-12-30 00:42     ?  -
   8    2018-12-30 01:41    28  *********
   9    2018-12-30 02:40     ?  -
  10    2018-12-30 03:39    23  ****
  11    2018-12-30 04:38     ?  -
  12    2018-12-30 05:37    27  ********
  13    2018-12-30 06:36     ?  -
  14    2018-12-30 07:35    28  *********
  15    2018-12-30 08:34     ?  -
  16    2018-12-30 09:33    28  *********
  17    2018-12-30 10:32     ?  -
  18    2018-12-30 11:31    34  ***************
  19    2018-12-30 12:30     ?  -
  20    2018-12-30 13:29    36  *****************
  21    2018-12-30 14:28     ?  -
  22    2018-12-30 15:27    36  *****************
  23    2018-12-30 16:26     ?  -
  24    2018-12-30 17:25    39  ********************
  25    2018-12-30 18:24    48  *****************************
  26    2018-12-30 19:23    50  *******************************
  27    2018-12-30 20:22     ?  -
  28    2018-12-30 21:21    49  ******************************
  29    2018-12-30 22:20     ?  -
  30    2018-12-30 23:19    49  ******************************
  31    2018-12-31 00:18    49  ******************************
  32    2018-12-31 01:17    50  *******************************
  33    2018-12-31 02:16    49  ******************************
 ...    ..(  3 skipped).    ..  ******************************
  37    2018-12-31 06:12    49  ******************************
  38    2018-12-31 07:11    48  *****************************
  39    2018-12-31 08:10    47  ****************************
  40    2018-12-31 09:09     ?  -
  41    2018-12-31 10:08    23  ****
  42    2018-12-31 11:07    42  ***********************
  43    2018-12-31 12:06    46  ***************************
  44    2018-12-31 13:05    47  ****************************
  45    2018-12-31 14:04    48  *****************************
  46    2018-12-31 15:03    48  *****************************
  47    2018-12-31 16:02    47  ****************************
  48    2018-12-31 17:01    45  **************************
  49    2018-12-31 18:00    47  ****************************
  50    2018-12-31 18:59    47  ****************************

SCT Error Recovery Control command not supported

Device Statistics (GP Log 0x04)
Page  Offset Size        Value Flags Description
0x01  =====  =               =  ===  == General Statistics (rev 1) ==
0x01  0x008  4              15  ---  Lifetime Power-On Resets
0x01  0x010  4              22  ---  Power-on Hours
0x01  0x018  6      3772216425  ---  Logical Sectors Written
0x01  0x020  6         5784123  ---  Number of Write Commands
0x01  0x028  6        37152103  ---  Logical Sectors Read
0x01  0x030  6         4184016  ---  Number of Read Commands
0x01  0x038  6               -  ---  Date and Time TimeStamp
0x03  =====  =               =  ===  == Rotating Media Statistics (rev 1) ==
0x03  0x008  4              21  ---  Spindle Motor Power-on Hours
0x03  0x010  4              21  ---  Head Flying Hours
0x03  0x018  4              15  ---  Head Load Events
0x03  0x020  4               0  ---  Number of Reallocated Logical Sectors
0x03  0x028  4               0  ---  Read Recovery Attempts
0x03  0x030  4               0  ---  Number of Mechanical Start Failures
0x03  0x038  4               0  ---  Number of Realloc. Candidate Logical
Sectors
0x03  0x040  4              12  ---  Number of High Priority Unload Events
0x04  =====  =               =  ===  == General Errors Statistics (rev 1) ==
0x04  0x008  4               0  ---  Number of Reported Uncorrectable Errors
0x04  0x010  4               4  ---  Resets Between Cmd Acceptance and
Completion
0x05  =====  =               =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1              47  ---  Current Temperature
0x05  0x010  1               -  ---  Average Short Term Temperature
0x05  0x018  1               -  ---  Average Long Term Temperature
0x05  0x020  1              50  ---  Highest Temperature
0x05  0x028  1               0  ---  Lowest Temperature
0x05  0x030  1               -  ---  Highest Average Short Term Temperature
0x05  0x038  1               -  ---  Lowest Average Short Term Temperature
0x05  0x040  1               -  ---  Highest Average Long Term Temperature
0x05  0x048  1               -  ---  Lowest Average Long Term Temperature
0x05  0x050  4               0  ---  Time in Over-Temperature
0x05  0x058  1              55  ---  Specified Maximum Operating Temperature
0x05  0x060  4              30  ---  Time in Under-Temperature
0x05  0x068  1              13  ---  Specified Minimum Operating Temperature
0x06  =====  =               =  ===  == Transport Statistics (rev 1) ==
0x06  0x008  4               5  ---  Number of Hardware Resets
0x06  0x010  4               0  ---  Number of ASR Events
0x06  0x018  4               0  ---  Number of Interface CRC Errors
                                |||_ C monitored condition met
                                ||__ D supports DSN
                                |___ N normalized value

SATA Phy Event Counters (GP Log 0x11)
ID      Size     Value  Description
0x000a  2            6  Device-to-host register FISes sent due to a COMRESET
0x0001  2            0  Command failed due to ICRC error
0x0003  2            0  R_ERR response for device-to-host data FIS
0x0004  2            0  R_ERR response for host-to-device data FIS
0x0006  2            0  R_ERR response for device-to-host non-data FIS
0x0007  2            0  R_ERR response for host-to-device non-data FIS



Partial output from lsusb -v:


Bus 004 Device 003: ID 0bc2:ab38 Seagate RSS LLC
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         9
  idVendor           0x0bc2 Seagate RSS LLC
  idProduct          0xab38
  bcdDevice            1.00
  iManufacturer           2 Seagate
  iProduct                3 Backup+ Hub BK
  iSerial                 1 NA9Q9P32
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          121
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xc0
      Self Powered
    MaxPower                0mA
    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     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       1
      bNumEndpoints           4
      bInterfaceClass         8 Mass Storage
      bInterfaceSubClass      6 SCSI
      bInterfaceProtocol     98
      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     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
        MaxStreams             32
        Data-in pipe (0x03)
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
        MaxStreams             32
        Data-out pipe (0x04)
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst              15
        MaxStreams             32
        Status pipe (0x02)
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x04  EP 4 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0400  1x 1024 bytes
        bInterval               0
        bMaxBurst               0
        Command pipe (0x01)
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   0x0000f41e
      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
Device Status:     0x000d
  Self Powered
  U1 Enabled
  U2 Enabled

Bus 004 Device 002: ID 0bc2:ab45 Seagate RSS LLC
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         3
  bMaxPacketSize0         9
  idVendor           0x0bc2 Seagate RSS LLC
  idProduct          0xab45
  bcdDevice           48.85
  iManufacturer           1 Seagate
  iProduct                2 Backup+ Hub
  iSerial                 3 01CB8434B1XB
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           31
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              1 Seagate
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes           19
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Feedback
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval               8
        bMaxBurst               0
Hub Descriptor:
  bLength              12
  bDescriptorType      42
  nNbrPorts             3
  wHubCharacteristic 0x0009
    Per-port power switching
    Per-port overcurrent protection
  bPwrOn2PwrGood       50 * 2 milli seconds
  bHubContrCurrent    576 milli Ampere
  bHubDecLat          0.0 micro seconds
  wHubDelay          1248 nano seconds
  DeviceRemovable    0x00
 Hub Port Status:
   Port 1: 0000.0203 5Gbps power U0 enable connect
   Port 2: 0000.02a0 5Gbps power Rx.Detect
   Port 3: 0000.02a0 5Gbps power Rx.Detect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      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           8 micro seconds
    bU2DevExitLat         190 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {f5d7b24c-d13e-4975-90da-976adbce1310}
Device Status:     0x000d
  Self Powered
  U1 Enabled
  U2 Enabled

Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         3
  bMaxPacketSize0         9
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0003 3.0 root hub
  bcdDevice            4.15
  iManufacturer           3 Linux 4.15.0-43-lowlatency xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:00:14.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           31
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
        bMaxBurst               0
Hub Descriptor:
  bLength              12
  bDescriptorType      42
  nNbrPorts             4
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  bHubDecLat          0.0 micro seconds
  wHubDelay             0 nano seconds
  DeviceRemovable    0x00
 Hub Port Status:
   Port 1: 0000.0203 5Gbps power U0 enable connect
   Port 2: 0000.02a0 5Gbps power Rx.Detect
   Port 3: 0000.02a0 5Gbps power Rx.Detect
   Port 4: 0000.02a0 5Gbps power Rx.Detect
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           15
  bNumDeviceCaps          1
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x0008
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   3
      Lowest fully-functional device speed is SuperSpeed (5Gbps)
    bU1DevExitLat          10 micro seconds
    bU2DevExitLat         512 micro seconds
Device Status:     0x0001
  Self Powered

Bus 003 Device 002: ID 0bc2:ab44 Seagate RSS LLC
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         2 TT per port
  bMaxPacketSize0        64
  idVendor           0x0bc2 Seagate RSS LLC
  idProduct          0xab44
  bcdDevice           48.85
  iManufacturer           1 Seagate
  iProduct                2 Backup+ Hub
  iSerial                 3 01CB8434B1XB
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           41
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      1 Single TT
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      2 TT per port
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             3
  wHubCharacteristic 0x00e9
    Per-port power switching
    Per-port overcurrent protection
    TT think time 32 FS bits
    Port indicators
  bPwrOn2PwrGood       50 * 2 milli seconds
  bHubContrCurrent    100 milli Ampere
  DeviceRemovable    0x00
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0100 power
   Port 3: 0000.0100 power
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength           42
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000006
      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           8 micro seconds
    bU2DevExitLat         190 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {f5d7b24c-d13e-4975-90da-976adbce1310}
Device Status:     0x0001
  Self Powered

Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            4.15
  iManufacturer           3 Linux 4.15.0-43-lowlatency xhci-hcd
  iProduct                2 xHCI Host Controller
  iSerial                 1 0000:00:14.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             4
  wHubCharacteristic 0x000a
    No power switching (usb 1.0)
    Per-port overcurrent protection
    TT think time 8 FS bits
  bPwrOn2PwrGood       10 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x00
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0507 highspeed power suspend enable connect
   Port 2: 0000.0100 power
   Port 3: 0000.0100 power
   Port 4: 0000.0100 power
Device Status:     0x0001
  Self Powered




Partial output from sudo lshw -numeric:

*-usb:0
     description: USB controller
     product: 7 Series/C210 Series Chipset Family USB xHCI Host Controller
[8086:1E31]
     vendor: Intel Corporation [8086]
     physical id: 14
     bus info: pci at 0000:00:14.0
     version: 04
     width: 64 bits
     clock: 33MHz
     capabilities: pm msi xhci bus_master cap_list
     configuration: driver=xhci_hcd latency=0
     resources: irq:24 memory:f7c00000-f7c0ffff
   *-usbhost:0
        product: xHCI Host Controller [1D6B:2]
        vendor: Linux 4.15.0-43-lowlatency xhci-hcd [1D6B]
        physical id: 0
        bus info: usb at 3
        logical name: usb3
        version: 4.15
        capabilities: usb-2.00
        configuration: driver=hub slots=4 speed=480Mbit/s
      *-usb
           description: USB hub
           product: Backup+ Hub [BC2:AB44]
           vendor: Seagate [BC2]
           physical id: 1
           bus info: usb at 3:1
           version: 48.85
           serial: 01CB8434B1XB
           capabilities: usb-2.10
           configuration: driver=hub maxpower=100mA slots=3 speed=480Mbit/s
   *-usbhost:1
        product: xHCI Host Controller [1D6B:3]
        vendor: Linux 4.15.0-43-lowlatency xhci-hcd [1D6B]
        physical id: 1
        bus info: usb at 4
        logical name: usb4
        version: 4.15
        capabilities: usb-3.00
        configuration: driver=hub slots=4 speed=5000Mbit/s
      *-usb
           description: USB hub
           product: Backup+ Hub [BC2:AB45]
           vendor: Seagate [BC2]
           physical id: 1
           bus info: usb at 4:1
           version: 48.85
           serial: 01CB8434B1XB
           capabilities: usb-3.00
           configuration: driver=hub slots=3 speed=5000Mbit/s
         *-usb
              description: Mass storage device
              product: Backup+ Hub BK [BC2:AB38]
              vendor: Seagate [BC2]
              physical id: 1
              bus info: usb at 4:1.1
              logical name: scsi6
              version: 1.00
              serial: NA9Q9P32
              capabilities: usb-3.10 scsi
              configuration: driver=uas speed=5000Mbit/s
            *-disk
                 description: SCSI Disk
                 product: Backup+ Hub BK
                 vendor: Seagate
                 physical id: 0.0.0
                 bus info: scsi at 6:0.0.0
                 logical name: /dev/sdd
                 version: D781
                 serial: NA9Q9P32
                 size: 5589GiB (6001GB)
                 capabilities: gpt-1.00 partitioned partitioned:gpt
                 configuration: ansiversion=6
guid=63a177fc-a9ca-4848-be33-c1bfcbff414b logicalsectorsize=512
sectorsize=4096
               *-volume
                    description: EFI partition
                    physical id: 1
                    bus info: scsi at 6:0.0.0,1
                    logical name: /dev/sdd1
                    serial: 02b4b5f5-***REDACTED***
                    size: 5588GiB
                    capacity: 5588GiB
                    width: 256 bits
                    capabilities: encrypted luks initialized
                    configuration: bits=256 cipher=aes filesystem=luks
hash=sha1 mode=xts-plain64 version=1

-- 
Mikko
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