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Less Linux: Zoek en Red

WebGang blog ** September 9th, 2010 by wim.webgang **

Het is slechts een voorbeeld, maar stel dat iemands PC crasht. Stel dat de harde schijf beschadigd is (door slijtage bv), en dat het systeem niet meer opstart. Waarschijnlijk staan alle gegevens nog op de harde schijf, maar je kan er niet aan.
Dan grijpen we even terug naar de tijdschriften van vorige week, nl:

  • Linux intern met oa LessLinux, een reddingssysteem op DVD: je kan een niet-werkende computer (bv gecrashte Windows) starten van dit systeem en dan de harde schijf onderzoeken, corrigeren, data er af halen, virusscan enz. (zie schermafbeeldingen)

Gestart van herstelDVD:

Less Linux Search Rescue

Less Linux Search Rescue


Disk informatie opgevraagd van ingebouwde harde schijf:

Test uitvoeren:

Test resultaten:

smartctl 5.39.1 2010-01-28 r3054 [i686-pc-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Model Family: Hitachi Travelstar 5K320 series
Device Model: Hitachi HTS543216L9A300
Serial Number: 081026FB2206LCHLVZ9C
Firmware Version: FB2OC40C
User Capacity: 160.041.885.696 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 3f
Local Time is: Thu Sep 2 14:14:22 2010 UTC
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: (0×00) 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: ( 645) seconds.
Offline data collection
capabilities: (0×5b) 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: (0×0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0×01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 67) minutes.
SCT capabilities: (0×003d) 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 0×000b 100 100 062 Pre-fail Always – 0
2 Throughput_Performance 0×0005 100 100 040 Pre-fail Offline – 0
3 Spin_Up_Time 0×0007 253 253 033 Pre-fail Always – 0
4 Start_Stop_Count 0×0012 100 100 000 Old_age Always – 425
5 Reallocated_Sector_Ct 0×0033 100 100 005 Pre-fail Always – 0
7 Seek_Error_Rate 0×000b 100 100 067 Pre-fail Always – 0
8 Seek_Time_Performance 0×0005 100 100 040 Pre-fail Offline – 0
9 Power_On_Hours 0×0012 100 100 000 Old_age Always – 347
10 Spin_Retry_Count 0×0013 100 100 060 Pre-fail Always – 0
12 Power_Cycle_Count 0×0032 100 100 000 Old_age Always – 410
191 G-Sense_Error_Rate 0×000a 095 095 000 Old_age Always – 720899
192 Power-Off_Retract_Count 0×0032 100 100 000 Old_age Always – 13
193 Load_Cycle_Count 0×0012 100 100 000 Old_age Always – 9976
194 Temperature_Celsius 0×0002 161 161 000 Old_age Always – 34 (Lifetime Min/Max 11/51)
196 Reallocated_Event_Count 0×0032 100 100 000 Old_age Always – 68
197 Current_Pending_Sector 0×0022 100 100 000 Old_age Always – 0
198 Offline_Uncorrectable 0×0008 100 100 000 Old_age Offline – 0
199 UDMA_CRC_Error_Count 0×000a 200 200 000 Old_age Always – 0
223 Load_Retry_Count 0×000a 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% 347 -
# 2 Short offline Completed without error 00% 347 -

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 (0×0):
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.

Virusscan met ClamAV:

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