[Smartmontools-database] USB interface general advise

[fragmentux]

Some progress:

For the first USB bridge below (jmicron), the device is -d sat
and the disk SMART is fully accessible.

For the second USB bridge below (SUMOdisk), the device appears
to be -d cypress,0x0 (although it functions this may not be the
optimal value).



On 01/11/2018 17:26, fragmentux wrote:
> hello
> 
> I have been watching this list for a few weeks and have
> extensively studied your website for information.
> Unfortunately, I am a little out of my depth ..
> 
> I have two USB attached hard disks, details at the end.
> 
> Using Windows and Acronis Drive Monitor 1.0 these disks,
> in this exact configuration, fully support S.M.A.R.T functions.
> 
> Using Linux and smartmontools there is no S.M.A.R.T support.
> 
> I fully accept there may be nothing smartmontools can do ..
> but I decided to ask here just in case there is some positive
> action I can take.
> 
> Thanks for any help
> frag
> 
> ==================
> 
> 1.
> # smartctl -q noserial -x -T verypermissive -d scsi /dev/sda
> smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-38-generic] (local 
> build)
> Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
> 
> === START OF INFORMATION SECTION ===
> Vendor:               JMicron
> Product:              Generic
> Revision:             8101
> Compliance:           SPC-4
> User Capacity:        2,000,398,934,016 bytes [2.00 TB]
> Logical block size:   512 bytes
> LU is fully provisioned
> Device type:          disk
> Local Time is:        Thu Nov  1 17:10:56 2018 GMT
> SMART support is:     Unavailable - device lacks SMART capability.
> Read Cache is:        Enabled
> Writeback Cache is:   Disabled
> 
> === START OF READ SMART DATA SECTION ===
> Current Drive Temperature:     0 C
> Drive Trip Temperature:        0 C
> 
> Error Counter logging not supported
> 
> No self-tests have been logged
> 
> Device does not support Background scan results logging
> 
> 
> 2.
> # smartctl -q noserial -x -T verypermissive -d scsi /dev/sdc
> smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.15.0-38-generic] (local 
> build)
> Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
> 
> === START OF INFORMATION SECTION ===
> Vendor:
> Product:              SUMOdisk
> Revision:             1.43
> User Capacity:        2,000,398,934,016 bytes [2.00 TB]
> Logical block size:   512 bytes
>  >> Terminate command early due to bad response to IEC mode page
> Read Cache is:        Unavailable
> Writeback Cache is:   Unavailable
> 
> === START OF READ SMART DATA SECTION ===
> Current Drive Temperature:     0 C
> Drive Trip Temperature:        0 C
> 
> Error Counter logging not supported
> 
> ==================