Discussion:
Bug#804168: smartmontools: The temperature values in the systemlog not Celcuis but Fahrenheit
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henk
2015-11-05 17:40:02 UTC
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Package: smartmontools
Version: 6.3+svn4002-2+b2
Severity: normal

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

Looking at systemlog and alarming temperature hard disks.
The temperature values in the systemlog apair to be in Fahrenheit although
Celcius is explicitly mentioned there.
These log values difer from those after executing smartctl -x /dev/sda.

*** End of the template - remove these template lines ***



-- System Information:
Debian Release: 8.2
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=nl_NL.UTF-8, LC_CTYPE=nl_NL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages smartmontools depends on:
ii debianutils 4.4+b1
ii init-system-helpers 1.22
ii libc6 2.19-18+deb8u1
ii libcap-ng0 0.7.4-2
ii libgcc1 1:4.9.2-10
ii libselinux1 2.3-2
ii libstdc++6 4.9.2-10
ii lsb-base 4.1+Debian13+nmu1

Versions of packages smartmontools recommends:
ii bsd-mailx [mailx] 8.1.2-0.20141216cvs-2

Versions of packages smartmontools suggests:
pn gsmartcontrol <none>
pn smart-notifier <none>
Dmitry Smirnov
2019-10-10 04:30:01 UTC
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I observe this very behavior on 7.0:

smartd logs:

Device: /dev/sdc [SAT], SMART Usage Attribute: 194 Temperature_Celsius changed from 117 to 116

but according to `smartctl --all /dev/sdc`:

~~~~
smartctl 7.0 2018-12-30 r4883 [x86_64-linux-4.19.0-5-amd64] (local build)
Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family: Western Digital Red
Device Model: WDC WD60EFRX-68L0BN1

[...]

Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE

194 Temperature_Celsius 0x0022 116 095 000 Old_age Always - 36
~~~~

Package: smartmontools
Version: 7.0-1

--- System information. ---
Architecture:
Kernel: Linux 4.19.0-5-amd64

Debian Release: 10.1

--

Best wishes,
Dmitry Smirnov

---

There is no such thing as public opinion. There is only published opinion.
-- Winston Churchill

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