From dstetner at uvic.ca  Wed Sep 10 00:34:28 2025
From: dstetner at uvic.ca (Doug Stetner)
Date: Tue, 9 Sep 2025 22:34:28 +0000
Subject: [smartmontools-support] Smartctl: Exception
Message-ID: <AD38824F-BD41-414A-AE81-2F62EED153E8@uvic.ca>

Hi reporting smartctl exception on a bad disk:

Smartctl -V below output from failed command.

====================================================================

[xds at ceph0812 ~]$ sudo smartctl -a /dev/sds
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-4.18.0-553.8.1.el8_10.x86_64] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Vendor:               SEAGATE
Product:              ST18000NM004J
Revision:             E002
Compliance:           SPC-5
User Capacity:        18,000,207,937,536 bytes [18.0 TB]
Logical block size:   512 bytes
Physical block size:  4096 bytes
LU is fully provisioned
Rotation Rate:        7200 rpm
Form Factor:          3.5 inches
Logical Unit id:      0x5000c500d9af977b
Serial number:        ZR5BKJAQ0000C24584TV
Device type:          disk
Transport protocol:   SAS (SPL-3)
Local Time is:        Tue Sep  9 15:00:23 2025 PDT
SMART support is:     Available - device has SMART capability.
SMART support is:     Enabled
Temperature Warning:  Enabled

=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK

Grown defects during certification <not available>
Total blocks reassigned during format <not available>
Total new blocks reassigned = 81
Power on minutes since format <not available>
Current Drive Temperature:     47 C
Drive Trip Temperature:        60 C

Accumulated power on time, hours:minutes 19976:01
Manufactured in week 32 of year 2022
Specified cycle count over device lifetime:  50000
Accumulated start-stop cycles:  9
Specified load-unload count over device lifetime:  600000
Accumulated load-unload cycles:  37410
Elements in grown defect list: 81

Vendor (Seagate Cache) information
  Blocks sent to initiator = 1958438832
  Blocks received from initiator = 4179058648
  Blocks read from cache and sent to initiator = 1143709546
  Number of read and write commands whose size <= segment size = 144016607
  Number of read and write commands whose size > segment size = 345

Vendor (Seagate/Hitachi) factory information
  number of hours powered up = 19976.03
  number of minutes until next internal SMART test = 36

Error counter log:
           Errors Corrected by           Total   Correction     Gigabytes    Total
               ECC          rereads/    errors   algorithm      processed    uncorrected
           fast | delayed   rewrites  corrected  invocations   [10^9 bytes]  errors
read:          0       30         0        30         38      66973.418           5
write:         0        0         0         0          0      24205.227           0
 


Non-medium error count:        0

  Pending defect count:92552 Pending Defects: index, LBA and accumulated_power_on_hours follow
     1:  0xba580           ,  19971
Smartctl: Exception: json.cpp(39): Assertion failed: 'a' <= c && c <= 'z'
Please inform smartmontools-support at listi.jpberlin.de, including output of smartctl -V.

====================================================================





[xds at ceph0812 ~]$ smartctl -V
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-4.18.0-553.8.1.el8_10.x86_64] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

smartctl comes with ABSOLUTELY NO WARRANTY. This is free
software, and you are welcome to redistribute it under
the terms of the GNU General Public License; either
version 2, or (at your option) any later version.
See http://www.gnu.org for further details.

smartmontools release 7.1 dated 2019-12-30 at 15:00:11 UTC
smartmontools SVN rev 5022 dated 2019-12-30 at 15:00:49
smartmontools build host: x86_64-redhat-linux-gnu
smartmontools build with: C++14, GCC 8.5.0 20210514 (Red Hat 8.5.0-21)
smartmontools configure arguments: '--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu' '--program-prefix=' '--disable-dependency-tracking' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--with-selinux' '--with-libcap-ng=yes' '--with-libsystemd' '--with-systemdsystemunitdir=/usr/lib/systemd/system' '--sysconfdir=/etc/smartmontools/' '--with-systemdenvfile=/etc/sysconfig/smartmontools' 'build_alias=x86_64-redhat-linux-gnu' 'host_alias=x86_64-redhat-linux-gnu' 'CXXFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection' 'LDFLAGS=-Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld' 'CFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection' 'PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'




From Christian.Franke at t-online.de  Thu Sep 11 13:02:40 2025
From: Christian.Franke at t-online.de (Christian Franke)
Date: Thu, 11 Sep 2025 13:02:40 +0200
Subject: [smartmontools-support] Smartctl: Exception
In-Reply-To: <AD38824F-BD41-414A-AE81-2F62EED153E8@uvic.ca>
References: <AD38824F-BD41-414A-AE81-2F62EED153E8@uvic.ca>
Message-ID: <847961e6-bb88-f697-2a97-f9b31af9bd49@t-online.de>

Hi,

Doug Stetner wrote:
> Hi reporting smartctl exception on a bad disk:
> ...
> [xds at ceph0812 ~]$ sudo smartctl -a /dev/sds
> smartctl 7.1 2019-12-30 r5022 [x86_64-linux-4.18.0-553.8.1.el8_10.x86_64] (local build)
> ...
>    Pending defect count:92552 Pending Defects: index, LBA and accumulated_power_on_hours follow
>       1:  0xba580           ,  19971
> Smartctl: Exception: json.cpp(39): Assertion failed: 'a' <= c && c <= 'z'
> Please inform smartmontools-support at listi.jpberlin.de, including output of smartctl -V.

This is fixed since smartctl 7.4 released 2023-08-01.

-- 
Thanks,
Christian