[Liste-clx] Usure de disque SSD

cacatoes at tuxfamily.org cacatoes at tuxfamily.org
Mer 27 Mar 11:52:57 CET 2019


Merci pour le tuyau, mais rien à ce niveau :

$ sudo smartctl -a /dev/sda | grep -i alloca
  5 Reallocated_Sector_Ct   0x0033   100   100   010    Pre-fail  Always
  -       0

(test complet en PJ)

Le mercredi 27 mars 2019 à 11:42:02, Alain LESNE a écrit :
> Wed, Mar 27, 2019 at 11:22:33AM +0100, cacatoes at tuxfamily.org a écrit:
> > Un test long avec smartctl ne semble rien avoir repéré de mauvais, mais
> > hormis le nombre d'heures de fonctionnement (19608), les résultats sont
> > assez abscons.
> 
> Ça peut se trouver (grepper) du côté de "reallocated". 
> 
> Depuis des années, plateaux ou silicium, c'est l'électronique des
> disques qui gère les secteurs défectueux. Comme tous les trucs sensés
> être automatiques et cachés à l'utilisateur, celà peut réserver de
> mauvaises surprises : spécialement lorsque le stock de secteurs
> inutilisés/réallouables est épuisé.
> 
> Amitiés,
> 
> -- 
> Tiens, c'est finis.
> Mais ce n'est pas trés sérieux.
> Je vous assure, je n'ai rien bu.
>  -+- DA in in Guide du CLXien pervers: "Une autre SuSE?" -+-
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-------------- section suivante --------------
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.19.0-2-amd64] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Samsung based SSDs
Device Model:     Samsung SSD 840 EVO 250GB
Serial Number:    S1DBNSBF888049J
LU WWN Device Id: 5 002538 8a066aaa4
Firmware Version: EXT0BB6Q
User Capacity:    250 059 350 016 bytes [250 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-2, ATA8-ACS T13/1699-D revision 4c
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Wed Mar 27 11:51:34 2019 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: 		( 4800) seconds.
Offline data collection
capabilities: 			 (0x53) SMART execute Offline immediate.
					Auto Offline data collection on/off support.
					Suspend Offline collection upon new
					command.
					No 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: 	 (  80) 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: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   100   100   010    Pre-fail  Always       -       0
  9 Power_On_Hours          0x0032   096   096   000    Old_age   Always       -       19609
 12 Power_Cycle_Count       0x0032   096   096   000    Old_age   Always       -       3626
177 Wear_Leveling_Count     0x0013   074   074   000    Pre-fail  Always       -       308
179 Used_Rsvd_Blk_Cnt_Tot   0x0013   100   100   010    Pre-fail  Always       -       0
181 Program_Fail_Cnt_Total  0x0032   100   100   010    Old_age   Always       -       0
182 Erase_Fail_Count_Total  0x0032   100   100   010    Old_age   Always       -       0
183 Runtime_Bad_Block       0x0013   100   100   010    Pre-fail  Always       -       0
187 Uncorrectable_Error_Cnt 0x0032   100   100   000    Old_age   Always       -       0
190 Airflow_Temperature_Cel 0x0032   055   036   000    Old_age   Always       -       45
195 ECC_Error_Rate          0x001a   200   200   000    Old_age   Always       -       0
199 CRC_Error_Count         0x003e   100   100   000    Old_age   Always       -       0
235 POR_Recovery_Count      0x0012   099   099   000    Old_age   Always       -       434
241 Total_LBAs_Written      0x0032   099   099   000    Old_age   Always       -       21884236215

SMART Error Log Version: 1
No Errors Logged

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%         6         -
# 2  Extended offline    Completed without error       00%         1         -
# 3  Extended offline    Completed without error       00%         1         -
# 4  Short offline       Completed without error       00%         0         -
# 5  Short offline       Completed without error       00%         0         -
# 6  Short offline       Completed without error       00%         0         -
# 7  Short offline       Completed without error       00%         0         -
# 8  Short offline       Completed without error       00%         0         -
# 9  Short offline       Completed without error       00%         5         -

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.



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