On Wed, 11 Jul 2018 15:01:36 +0200
samuel veyre <samuel.veyre@???> wrote:
> Bonjour Jérôme,
>
> Par curiosité, que signifie l'indicateur "Media Wearout Indicator" sur ta
> capture d'écran ? C'est cet indicateur qui tombe en flèche dans tes courbes.
> Je suppose que çà a un rapport avec le nombre d'écritures ?
>
> Je trouve ces explications sur wikipedia anglais mais je ne comprends pas :
> Intel SSDs report a normalized value from 100, a new drive, to a minimum of
> 1. It decreases while the NAND erase cycles increase from 0 to the
> maximum-rated cycles.Previously (pre-2010) occasionally used for Power-On
> Hours (more typically reported in 0x09).
> SOURCE : https://en.wikipedia.org/wiki/S.M.A.R.T.
>
> Cet indicateur n'est pas cité sur cette page qui se veut pourtant
> exhaustive :
> http://smartlinux.sourceforge.net/smart/attributes.php
Bonjour Samuel,
C'est la premiere fois que j'ai un SSD qui montre son usure ...
Intel m'a assuré que cela passait en garantie des que le "Wearout
indicator" est à 0.
Ce qui m'inquiete plus c'est que l'espace en reserve commence a diminuer
Sur la page que tu as indiqué, il est précisé:
Please note that some disk manufacturers use their own ID's for attributes.
Voici la sortie brute si tu veux récupérer les IDs:
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: Intel 53x and Pro 2500 Series SSDs
Device Model: INTEL SSDSC2BW240H6
Serial Number: CVTR53600063240CGN
LU WWN Device Id: 5 5cd2e4 14c938df0
Firmware Version: RG21
User Capacity: 240 057 409 536 bytes [240 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-3 (minor revision not indicated)
SATA Version is: SATA 3.2, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Wed Jul 11 15:11:03 2018 CEST
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: ( 5860) seconds.
Offline data collection
capabilities: (0x7f) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Abort Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
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: ( 58) minutes.
Conveyance self-test routine
recommended polling time: ( 4) minutes.
SCT capabilities: (0x0025) SCT Status supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0032 100 100 000 Old_age Always - 17
9 Power_On_Hours_and_Msec 0x0032 100 100 000 Old_age Always - 10216h+00m+00.000s
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 22
170 Available_Reservd_Space 0x0033 084 100 010 Pre-fail Always - 0
171 Program_Fail_Count 0x0032 100 100 000 Old_age Always - 0
172 Erase_Fail_Count 0x0032 100 100 000 Old_age Always - 0
174 Unexpect_Power_Loss_Ct 0x0032 100 100 000 Old_age Always - 6
183 SATA_Downshift_Count 0x0032 100 100 000 Old_age Always - 1
184 End-to-End_Error 0x0033 100 100 090 Pre-fail Always - 0
187 Uncorrectable_Error_Cnt 0x0032 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0032 034 100 000 Old_age Always - 34 (Min/Max 12/46)
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 6
199 UDMA_CRC_Error_Count 0x0032 100 100 000 Old_age Always - 1
225 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 515161
226 Workld_Media_Wear_Indic 0x0032 100 100 000 Old_age Always - 65535
227 Workld_Host_Reads_Perc 0x0032 100 100 000 Old_age Always - 15
228 Workload_Minutes 0x0032 100 100 000 Old_age Always - 65535
232 Available_Reservd_Space 0x0033 084 100 010 Pre-fail Always - 0
233 Media_Wearout_Indicator 0x0032 028 100 000 Old_age Always - 0
241 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 515161
242 Host_Reads_32MiB 0x0032 100 100 000 Old_age Always - 83122
249 NAND_Writes_1GiB 0x0032 100 100 000 Old_age Always - 258845
SMART Error Log not supported
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Aborted by host 00% 10216 -
# 2 Short offline Aborted by host 00% 8472 -
# 3 Extended offline Aborted by host 00% 8468 -
# 4 Extended offline Aborted by host 00% 8468 -
# 5 Extended offline Aborted by host 00% 5517 -
# 6 Extended offline Aborted by host 00% 5517 -
# 7 Extended offline Aborted by host 00% 5355 -
# 8 Extended offline Aborted by host 00% 2070 -
# 9 Extended offline Aborted by host 00% 2018 -
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.
--
Jérôme Kieffer
tel +33 476 882 445
