[smartmontools-support] Serial number mismatch

[Janos Dohanics]

On Fri, 17 Jan 2025 17:23:52 +0100
Christian Franke <Christian.Franke at t-online.de> wrote:

> Hi Janos,
> 
> Janos Dohanics wrote:
> > On Fri, 17 Jan 2025 10:15:16 +0100
> > Christian Franke <Christian.Franke at t-online.de> wrote:
> >
> >> Janos Dohanics wrote:
> >>> Hello List,
> >>>
> >>> I have a 1TB TEAM CX2 2.5" SSD.
> >>>
> >>> The SSD label shows:
> >>> S/N: 1F2312060140311
> >>>
> >>> However, smartctl(8) disagrees:
> >>>
> >>> # smartctl -x /dev/da0
> >>> smartctl 7.4 2023-08-01 r5530 [FreeBSD 14.1-STABLE amd64] (local
> >>> build) Copyright (C) 2002-23, Bruce Allen, Christian Franke,
> >>> www.smartmontools.org
> >>>
> >>> === START OF INFORMATION SECTION ===
> >>> Device Model:     TEAM T2531TB
> >>> Serial Number:    TPBF2311070030504231
> >>> [...]
> >>>
> >>> Would you please explain?
> >> This question needs to be addressed to the device vendor.
> >>
> >> Smartctl simply prints the information reported by the ATA IDENTIFY
> >> command.
> >>
> >> Please provide the output of
> >>
> >>     smartctl -r ioctl,2 -i /dev/da0
> >>
> >> as a plaintext attachment.
> >>
> >> Thanks,
> >> Christian
> > Hello Christian,
> >
> > Thank you for the quick reply. I have attached a file with the
> > output you have requested.
> 
> REPORT-IOCTL: Device=/dev/da0 Command=IDENTIFY DEVICE
>   Input:   FR=...., SC=0x01, LL=...., LM=...., LH=...., DEV=...., 
> CMD=0xec IN
>   ...
>   [Duration: 0.001316s]
> REPORT-IOCTL: Device=/dev/da0 Command=IDENTIFY DEVICE returned 0
> 
> ===== [IDENTIFY DEVICE] DATA START (BASE-16) =====
> 000-015: 40 00 ff 3f 37 c8 10 00 00 00 00 00 3f 00 00 00 |@..?
> 7.......?...| 016-031: 00 00 00 00 50 54 46 42 33 32 31 31 37 30 30
> 30 |....PTFB32117000| 032-047: 30 33 30 35 32 34 31 33 00 00 00 00 00
> 00 30 57 |03052413......0W| ...
> 
> The ATA IDENTIFY command returns "PTFB3211700003052413" in the serial 
> number field. After byte swapping, this results in:
> 
>    Serial Number:    TPBF2311070030504231
> 
> Conclusion: smartctl prints the serial number as reported by the
> drive firmware.
> 
> The question why this differs from the printed label needs to be 
> answered by the drive vendor :-)

Christian,

Thank you, I'll try to get in touch with their support.

-- 
Janos Dohanics
<smartctl at 3dresearch.com>