Besoin d'aide pour interpr=c3=a9ter erreur smartmontool

Le
Daysfled
Bonjour,

Y a-t-il quelqu'un pour m'aider à comprendre la nature et la sévérité de
l'erreur de disque (pour moi c'est du chinois !) ? Quelle est l'erreur
qui s'est produite ? Faut-il s'en inquiéter alors que le self se termine
sans erreur et que je vois « SMART overall-health self-assessment test
result: PASSED » ?

Voici les détails. D'avance merci.

J'ai obtenu, il y a environ 14 heures un message d'erreur (envoyé par
mail à root) :

~~~ Début du mail ~~~
This message was generated by the smartd daemon running on:

host name: ely
DNS domain: home

The following warning/error was logged by the smartd daemon:

Device: /dev/sdb [SAT], ATA error count increased from 0 to 1

Device info:
HGST HTS721010A9E630, S/N:JR10006PHGWX8E, WWN:5-000cca-6acd4dd7a,
FW:JB0OA3J0, 1.00 TB

For details see host's SYSLOG.

You can also use the smartctl utility for further investigation.
Another message will be sent in 24 hours if the problem persists.
~~~ Fin du mail ~~~

J'ai terminé mon travail, effectué une sauvegarde et éteint la machine.

Plusieurs heures plus tard j'ai exécuté « smartctl -t long /dev/sdb »
et, au-delà du délai indiqué par la commande précédente,
smartctl -a /dev/sdb pour obtenir

~~~ Résultat de la commande ~~~
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.9.0-6-amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

START OF INFORMATION SECTION
Model Family: HGST Travelstar 7K1000
Device Model: HGST HTS721010A9E630
Serial Number: JR10006PHGWX8E
LU WWN Device Id: 5 000cca 6acd4dd7a
Firmware Version: JB0OA3J0
User Capacity: 1.000.204.886.016 bytes [1,00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Form Factor: 2.5 inches
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 6
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Sun Mar 4 13:58:53 2018 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

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: ( 45) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 167) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE
UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000b 100 100 062 Pre-fail Always
- 0
2 Throughput_Performance 0x0005 100 100 040 Pre-fail
Offline - 0
3 Spin_Up_Time 0x0007 125 125 033 Pre-fail Always
- 2
4 Start_Stop_Count 0x0012 098 098 000 Old_age Always
- 4303
5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always
- 0
7 Seek_Error_Rate 0x000b 100 100 067 Pre-fail Always
- 0
8 Seek_Time_Performance 0x0005 100 100 040 Pre-fail
Offline - 0
9 Power_On_Hours 0x0012 079 079 000 Old_age Always
- 9448
10 Spin_Retry_Count 0x0013 100 100 060 Pre-fail Always
- 0
12 Power_Cycle_Count 0x0032 098 098 000 Old_age Always
- 4114
191 G-Sense_Error_Rate 0x000a 100 100 000 Old_age Always
- 0
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always
- 39
193 Load_Cycle_Count 0x0012 088 088 000 Old_age Always
- 129184
194 Temperature_Celsius 0x0002 153 153 000 Old_age Always
- 39 (Min/Max 9/56)
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always
- 0
197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always
- 0
198 Offline_Uncorrectable 0x0008 100 100 000 Old_age
Offline - 0
199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age Always
- 1
223 Load_Retry_Count 0x000a 100 100 000 Old_age Always
- 0

SMART Error Log Version: 1
ATA Error Count: 1
CR = Command Register [HEX]
FR = Features Register [HEX]
SC = Sector Count Register [HEX]
SN = Sector Number Register [HEX]
CL = Cylinder Low Register [HEX]
CH = Cylinder High Register [HEX]
DH = Device/Head Register [HEX]
DC = Device Command Register [HEX]
ER = Error register [HEX]
ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DDys, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.

Error 1 occurred at disk power-on lifetime: 9442 hours (393 days + 10 hours)
When the command that caused the error occurred, the device was active
or idle.

After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 51 01 07 3d c1 08 Error: ICRC, ABRT at LBA = 0x08c13d07 = 146881799

Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- - --
61 08 b0 38 08 00 40 00 06:38:14.612 WRITE FPDMA QUEUED
60 08 a8 00 3d c1 40 00 06:38:14.612 READ FPDMA QUEUED
61 40 a0 88 55 85 40 00 06:38:14.612 WRITE FPDMA QUEUED
61 48 98 d0 13 95 40 00 06:38:14.612 WRITE FPDMA QUEUED
61 08 90 00 09 80 40 00 06:38:14.612 WRITE FPDMA QUEUED

SMART Self-test log structure revision number 1
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Extended offline Completed without error 00% 9447
-

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.
~~~ Fin de la commande ~~~

Au cas où cela aiderait, voici l'extrait du syslog au moment où l'erreur
s'est produite

~~~ Début extrait syslog ~~~
Mar 3 23:49:21 ely kernel: [10433.892417] ata6.00: exception Emask 0x12
SAct 0x200000 SErr 0x1a80500 action 0x6 frozen
Mar 3 23:49:21 ely kernel: [10433.892423] ata6.00: irq_stat 0x08000000,
interface fatal error
Mar 3 23:49:21 ely kernel: [10433.892427] ata6: SError: { UnrecovData
Proto 10B8B BadCRC LinkSeq TrStaTrns }
Mar 3 23:49:21 ely kernel: [10433.892432] ata6.00: failed command: READ
FPDMA QUEUED
Mar 3 23:49:21 ely kernel: [10433.892441] ata6.00: cmd
60/08:a8:00:3d:c1/00:00:18:00:00/40 tag 21 ncq dma 4096 in
Mar 3 23:49:21 ely kernel: [10433.892441] res
50/00:08:38:08:00/00:00:4a:00:00/40 Emask 0x12 (ATA bus error)
Mar 3 23:49:21 ely kernel: [10433.892445] ata6.00: status: { DRDY }
Mar 3 23:49:21 ely kernel: [10433.892450] ata6: hard resetting link
Mar 3 23:49:21 ely kernel: [10434.207374] ata6: SATA link up 3.0 Gbps
(SStatus 123 SControl 300)
Mar 3 23:49:21 ely kernel: [10434.208931] ata6.00: ACPI cmd
ef/10:06:00:00:00:00 (SET FEATURES) succeeded
Mar 3 23:49:21 ely kernel: [10434.208934] ata6.00: ACPI cmd
f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out
Mar 3 23:49:21 ely kernel: [10434.208936] ata6.00: ACPI cmd
b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out
Mar 3 23:49:21 ely kernel: [10434.211819] ata6.00: ACPI cmd
ef/10:06:00:00:00:00 (SET FEATURES) succeeded
Mar 3 23:49:21 ely kernel: [10434.211822] ata6.00: ACPI cmd
f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out
Mar 3 23:49:21 ely kernel: [10434.211823] ata6.00: ACPI cmd
b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out
Mar 3 23:49:21 ely kernel: [10434.213251] ata6.00: configured for UDMA/133
Mar 3 23:49:21 ely kernel: [10434.213261] ata6: EH complete
Mar 3 23:55:33 ely smartd[499]: Device: /dev/sdb [SAT], ATA error count
increased from 0 to 1
Mar 3 23:55:33 ely smartd[499]: Sending warning via
/usr/share/smartmontools/smartd-runner to root
Mar 3 23:55:33 ely smartd[499]: Warning via
/usr/share/smartmontools/smartd-runner to root: successful
Mar 3 23:56:52 ely dbus[502]: [system] Activating via systemd: service
name='org.freedesktop.hostname1'
unit='dbus-org.freedesktop.hostname1.service'
~~~ Début extrait syslog ~~~

et le contenu de mon fstab

~~~ Début fstab ~~~
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda1 during installation
UUID04741dc-3ac2-452c-b73b-8d449cb962e0 / ext4
relatime,errors=remount-ro 0 1
# /home was on /dev/sdb1 during installation
UUID26c942-d51a-4c5b-b7a3-58c68b3d9172 /home ext4
relatime 0 2
# swap was on /dev/sdb3 during installation
UUID745014-a497-4f67-bb3b-c85b0658054d none swap sw
0 0
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto 0 0
# ajouté pour les partitions chiffrées
/home/eddy/documents/.chiffre /home/eddy/documents/chiffre ecryptfs

noauto,user,rw,ecryptfs_sig=,key=passphrase,ecryptfs_ciphers,ecryptfs_key_bytes,ecryptfs_fnek_sig=,ecryptfs_unlink_sigs,ecryptfs_passthrough=n
0 0
/home/eddy/provisoire/.chiffre2 /home/eddy/provisoire/chiffre2
ecryptfs
noauto,user,rw,ecryptfs_sig=,key=passphrase,ecryptfs_ciphers,ecryptfs_key_bytes,ecryptfs_fnek_sig=,ecryptfs_unlink_sigs,ecryptfs_passthrough=n
0 0
# ajouté pour les archives (sdb2)
UUID0a32ee-1376-4b94-9160-55f7350bf189 /media/archives ext4 defaults 0 2
~~~ Fin fstab ~~~


--
Days Fled
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Etienne Vogt
Le #26466343
On Sun, 4 Mar 2018, Daysfled wrote:
Y a-t-il quelqu'un pour m'aider à comprendre la nature et la sévérité de
l'erreur de disque (pour moi c'est du chinois !) ? Quelle est l'erreur
qui s'est produite ? Faut-il s'en inquiéter alors que le self se termine
sans erreur et que je vois « SMART overall-health self-assessment test
result: PASSED » ?

C'est une erreur de somme de contrôle sur le bus SATA, donc une erreur
dans le transfert de données entre le disque et le contrôleur.
Si cela se reproduit, essayer de changer le cable SATA, mais à priori le
disque lui-même semble en bonne santé.
--
Etienne Vogt ()
Observatoire de Paris-Meudon
Service Informatique
Daysfled
Le #26466365
Le 04/03/18 à 19:48, Etienne Vogt a écrit :
C'est une erreur de somme de contrôle sur le bus SATA, donc une erreur
dans le transfert de données entre le disque et le contrôleur.
Si cela se reproduit, essayer de changer le cable SATA, mais à priori le
disque lui-même semble en bonne santé.


Merci cela me rassure. Je surveille cela.
--
Days Fled
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