
linux hdd 체크하기 smartmontool
yum install smartmontools
뭐든 숫자 0 이 좋은 것인디...
[root@web24 ~]# smartctl -a /dev/sda
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-573.22.1.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: SAMSUNG SpinPoint T166
Device Model: SAMSUNG HD501LJ
Serial Number: S0MVJ1GP500347
LU WWN Device Id: 5 0000f0 01b500347
Firmware Version: CR100-10
User Capacity: 500,107,862,016 bytes [500 GB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 3b
Local Time is: Thu Mar 31 09:47:54 2016 KST
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
See vendor-specific Attribute list for marginal Attributes.
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: ( 8961) seconds.
Offline data collection
capabilities: (0x5b) 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: (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: ( 153) minutes.
SCT capabilities: (0x003f) SCT Status supported.
SCT Error Recovery Control 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 0x000f 094 001 051 Pre-fail Always In_the_past 67890
데이터를 읽는 중 문제가 발생했던 횟수
3 Spin_Up_Time 0x0007 100 100 015 Pre-fail Always - 7360
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 227
5 Reallocated_Sector_Ct 0x0033 097 097 010 Pre-fail Always - 32
7 Seek_Error_Rate 0x000f 253 253 051 Pre-fail Always - 0
8 Seek_Time_Performance 0x0025 253 253 015 Pre-fail Offline - 0
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 55855
==> 6년동안이나 켜져 있었다니. 교체할때가 된거 같다.
10 Spin_Retry_Count 0x0033 253 253 051 Pre-fail Always - 0
11 Calibration_Retry_Count 0x0012 253 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 170
187 Reported_Uncorrect 0x0032 001 001 000 Old_age Always - 3735671
188 Command_Timeout 0x0032 253 253 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 080 046 000 Old_age Always - 20
194 Temperature_Celsius 0x0022 178 076 000 Old_age Always - 20
195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always - 606085980
196 Reallocated_Event_Count 0x0032 097 097 000 Old_age Always - 32
197 Total_Pending_Sectors 0x0012 089 089 000 Old_age Always - 103
==> 섹터에 문제가 있는 경우.
198 Offline_Uncorrectable 0x0030 253 253 000 Old_age Offline - 0
==> 배드섹터
199 UDMA_CRC_Error_Count 0x003e 200 169 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age Always - 0
201 Soft_Read_Error_Rate 0x000a 097 097 000 Old_age Always - 1592
202 Data_Address_Mark_Errs 0x0032 100 100 000 Old_age Always - 1
SMART Error Log Version: 1
ATA Error Count: 91 (device log contains only the most recent five errors)
CR = Command Register [HEX]
FR = Features Register [HEX]
SC = Sector Count Register [HEX]
SN = Sector Number Register [HEX]
CL = Cylinder Low Register [HEX]
CH = Cylinder High Register [HEX]
DH = Device/Head Register [HEX]
DC = Device Command Register [HEX]
ER = Error register [HEX]
ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.
Error 91 occurred at disk power-on lifetime: 55855 hours (2327 days + 7 hours)





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