Bon, maintenant qu'un peu de temps est passe et que j'ai eu l'occasion d'utiliser plus mon ordinateur portable (vu que j'etais pas chez moi ces derniers jours), j'ai verifie ce que smartmontools dit et j'ai ca :
smartctl 6.4 2014-10-07 r4002 [x86_64-linux-3.16.0-4-amd64] (local build)
Copyright (C) 2002-14, Bruce Allen, Christian Franke, http://ift.tt/1mJlwo7
=== START OF INFORMATION SECTION ===
Model Family: Seagate Laptop Thin HDD
Device Model: ST500LT012-1DG142
Serial Number: S3PPE2LS
LU WWN Device Id: 5 000c50 0808e31f9
Firmware Version: 0001SDM1
User Capacity: 500,107,862,016 bytes [500 GB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 5400 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 4
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Sun Aug 23 09:17:50 2015 EEST
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: (0x82) Offline data collection activity
was completed without error.
Auto Offline Data Collection: Enabled.
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: ( 0) 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: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 104) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x1035) SCT Status supported.
SCT Feature Control 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
1 Raw_Read_Error_Rate 0x000f 115 100 006 Pre-fail Always - 88320168
3 Spin_Up_Time 0x0003 099 099 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 142
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 100 253 030 Pre-fail Always - 611194
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 47 (162 110 0)
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 84
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 100 000 Old_age Always - 0
189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 073 054 045 Old_age Always - 27 (Min/Max 24/27)
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 6
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 5
193 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 1493
194 Temperature_Celsius 0x0022 027 046 000 Old_age Always - 27 (0 22 0 0 0)
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0
240 Head_Flying_Hours 0x0000 100 100 000 Old_age Offline - 35 (118 84 0)
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 198672882
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 125154686
254 Free_Fall_Sensor 0x0032 100 100 000 Old_age Always - 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 Short offline Completed without error 00% 33 -
# 2 Short offline Completed without error 00% 20 -
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.
Ce qui fait pour 47 heures de fonctionnement un nombre de parcages de 1493 ; par rapport a avant (le premier test) ou j'avais pour 33 heures 1406 parcages. Je pense donc que c'est bon, le probleme est resolu (a moins que quelqu'un trouve un autre soucis lie au disque dur).
Au niveau de l'utilisation, meme en desactivant le parcage, l'autonomie de la batterie est assez bonne (j'ai pu bosser dessus pendant 2-3 heures avec une utilisation active du wifi, genre blog, videos, ssh et telechargement) et la reprise d'activite apres que le disque dur se soit arrete n'est pas genante.
Maintenant en ce qui concerne l'autre ordinateur portable avec le parametre "Advanced power management level" a 128 j'ai pour 31 heures de fonctionnement 589 parcages, ce qui me parait tout de meme eleve, donc je pense que je vais desactiver ce parametre pour voir si il y a une amelioration.
Merci pour tous les conseils.
[Resolu] Son bizzarre venant du disque dur
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