Avec plaisir :
Sur mon portable (GNU/Linux Ubuntu 10.04 LTS) Smartmontools me dit :
===============================================================smartctl -a /dev/sda
smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is [
smartmontools.sourceforge.net]
=== START OF INFORMATION SECTION ===
Device Model: WDC WD3200BJKT-00F4T0
Serial Number: WD-WXD1A1053504
Firmware Version: 11.01A11
User Capacity: 320 072 933 376 bytes
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Sun Feb 20 08:21:44 2011 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: (0x05) Offline data collection activity
was aborted by an interrupting command from host.
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: (7560) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend 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: ( 91) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
SCT capabilities: (0x303f) SCT Status 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 0x002f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 177 175 021 Pre-fail Always - 2133
4 Start_Stop_Count 0x0032 099 099 000 Old_age Always - 1357
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 100 253 000 Old_age Always - 0
9 Power_On_Hours 0x0032 098 098 000 Old_age Always - 1887
10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail Always - 0
11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 535
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 32
193 Load_Cycle_Count 0x0032 199 199 000 Old_age Always - 3753
194 Temperature_Celsius 0x0022 110 094 000 Old_age Always - 37
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x0009 200 200 051 Pre-fail Offline - 0
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% 1603 -
# 2 Extended offline Completed without error 00% 1472 -
# 3 Short offline Completed without error 00% 599 -
# 4 Short offline Completed without error 00% 314 -
# 5 Short offline Completed without error 00% 252 -
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.
==================================================================
On y voit :
4 Start_Stop_Count 0x0032 099 099 000 Old_age Always
9 Power_On_Hours 0x0032 098 098 000 Old_age Always - 1887 - 1357
On voit que le start-stop- count est à 99 % de la vie, et que Power-on-hour lui est à 98%.
Les autres messages sont aussi très intéressants mais je ne connais pas les donées de ce disque pour savoir laquelle est la plus pertinente.
Dans le cas présent, il faut surveiller les mises en veille du disque (c'est ce qui tue les disques de portables) et limiter la température du disque (augmente la durée de vie) en le faisant parquer ses têtes (réduit la durée de vie). Ceci est une affaire de compromis (dans mon cas comme le disque est silencieux et que je fais des backups, je préfère le confort (basse température, pas de mise en veille) à la durée de vie (un disque SATA 500 Go de 7200 T/mn ne vaut pas cher de nos jours)
Dans les baies de disques, le constructeur de disques fournit une liste de paramètres à surveiller et on a des CRON qui font cela tout seuls en envoyant un email quand une baie possède des disques qui veulent la retraite...