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自宅サーバ。ハードディスク壊れかけ?

ハードディスクが壊れたエラー?がstartdから/var/log/messagesに書き込まれていた。
なーんとなくいろんなログから使用時間が長いからもう壊れるんじゃね?早く交換したほうがいいんじゃね?って言われてる気がする。800日ほど試用しているらしい(smartctlより。TODO:あとでログ載せる)

Oct 11 23:34:18 **** smartd[5742]: Device: /dev/hdb, 3 Offline uncorrectable sectors 
Oct 12 00:04:18 **** smartd[5742]: Device: /dev/hdb, FAILED SMART self-check. BACK UP DATA NOW! 
Oct 12 00:04:18 **** smartd[5742]: Device: /dev/hdb, 3 Offline uncorrectable sectors 
Oct 12 00:34:18 **** ama smartd[5742]: Device: /dev/hdb, FAILED SMART self-check. BACK UP DATA NOW! 
Oct 12 00:34:18 **** smartd[5742]: Device: /dev/hdb, 3 Offline uncorrectable sectors 
Oct 12 01:04:19 **** smartd[5742]: Device: /dev/hdb, FAILED SMART self-check. BACK UP DATA NOW! 
Oct 12 01:04:19 **** smartd[5742]: Device: /dev/hdb, 3 Offline uncorrectable sectors 
Oct 12 01:34:18 **** ama smartd[5742]: Device: /dev/hdb, FAILED SMART self-check. BACK UP DATA NOW! 
Oct 12 01:34:18 **** smartd[5742]: Device: /dev/hdb, 3 Offline uncorrectable sectors 
Oct 12 02:04:18 **** smartd[5742]: Device: /dev/hdb, FAILED SMART self-check. BACK UP DATA NOW! 

んで、チェックをしてみる。

# smartctl -t long /dev/hdb
smartctl version 5.36 [i686-redhat-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Execute SMART Extended self-test routine immediately in off-line mode".
Drive command "Execute SMART Extended self-test routine immediately in off-line mode" successful.
Testing has begun.
Please wait 21 minutes for test to complete.
Test will complete after Sun Oct 12 02:39:27 2008

Use smartctl -X to abort test.

さてさて。

smartctl version 5.36 [i686-redhat-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF INFORMATION SECTION ===
Model Family:     Maxtor Fireball 3 family
Device Model:     Maxtor 2F040J0
Serial Number:    F13F4L1E
Firmware Version: VAM51JJ0
User Capacity:    41,110,142,976 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   7
ATA Standard is:  ATA/ATAPI-7 T13 1532D revision 0
Local Time is:    Sun Oct 12 02:59:38 2008 JST
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: FAILED!
Drive failure expected in less than 24 hours. SAVE ALL DATA.
See vendor-specific Attribute list for failed Attributes.

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:      (  64)	The previous self-test completed having
					a test element that failed and the test
					element that failed is not known.
Total time to complete Offline 
data collection: 		 (1261) 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.
					No General Purpose Logging support.
Short self-test routine 
recommended polling time: 	 (   2) minutes.
Extended self-test routine
recommended polling time: 	 (  21) minutes.

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
  3 Spin_Up_Time            0x0027   235   234   063    Pre-fail  Always       -       6322
  4 Start_Stop_Count        0x0032   253   253   000    Old_age   Always       -       1386
  5 Reallocated_Sector_Ct   0x0033   001   001   063    Pre-fail  Always   FAILING_NOW 1276
  6 Read_Channel_Margin     0x0001   253   253   100    Pre-fail  Offline      -       0
  7 Seek_Error_Rate         0x000a   253   252   000    Old_age   Always       -       0
  8 Seek_Time_Performance   0x0027   249   230   187    Pre-fail  Always       -       54687
  9 Power_On_Minutes        0x0032   189   189   000    Old_age   Always       -       591h+04m
 10 Spin_Retry_Count        0x002b   253   252   157    Pre-fail  Always       -       0
 11 Calibration_Retry_Count 0x002b   253   252   223    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   247   247   000    Old_age   Always       -       2589
192 Power-Off_Retract_Count 0x0032   252   252   000    Old_age   Always       -       1127
193 Load_Cycle_Count        0x0032   253   253   000    Old_age   Always       -       2400
194 Temperature_Celsius     0x0032   253   253   000    Old_age   Always       -       35
195 Hardware_ECC_Recovered  0x000a   253   251   000    Old_age   Always       -       3451
196 Reallocated_Event_Count 0x0008   253   253   000    Old_age   Offline      -       0
197 Current_Pending_Sector  0x0008   253   251   000    Old_age   Offline      -       0
198 Offline_Uncorrectable   0x0008   253   250   000    Old_age   Offline      -       0
199 UDMA_CRC_Error_Count    0x0008   001   001   000    Old_age   Offline      -       27066
200 Multi_Zone_Error_Rate   0x000a   253   252   000    Old_age   Always       -       0
201 Soft_Read_Error_Rate    0x000a   253   252   000    Old_age   Always       -       0
202 TA_Increase_Count       0x000a   253   105   000    Old_age   Always       -       0
203 Run_Out_Cancel          0x000b   253   252   180    Pre-fail  Always       -       0
204 Shock_Count_Write_Opern 0x000a   253   252   000    Old_age   Always       -       0
205 Shock_Rate_Write_Opern  0x000a   253   252   000    Old_age   Always       -       0
207 Spin_High_Current       0x002a   253   252   000    Old_age   Always       -       0
208 Spin_Buzz               0x002a   253   252   000    Old_age   Always       -       0
209 Offline_Seek_Performnce 0x0024   160   159   000    Old_age   Offline      -       0
 99 Unknown_Attribute       0x0004   253   253   000    Old_age   Offline      -       0
100 Unknown_Attribute       0x0004   253   253   000    Old_age   Offline      -       0
101 Unknown_Attribute       0x0004   253   253   000    Old_age   Offline      -       0

SMART Error Log Version: 1
ATA Error Count: 44665 (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 44665 occurred at disk power-on lifetime: 20621 hours (859 days + 5 hours)
  When the command that caused the error occurred, the device was in an unknown state.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 02 41 00 00 f0  Error: UNC 2 sectors at LBA = 0x00000041 = 65

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 02 41 00 00 f0 08      04:36:58.144  READ DMA
  e7 00 00 00 00 00 f0 08      04:36:58.144  FLUSH CACHE
  c8 00 01 3f 00 00 f0 08      04:36:58.144  READ DMA
  c8 00 01 0f 00 00 f0 08      04:36:58.144  READ DMA
  c8 00 01 0e 00 00 f0 08      04:36:58.144  READ DMA

Error 44664 occurred at disk power-on lifetime: 20621 hours (859 days + 5 hours)
  When the command that caused the error occurred, the device was in an unknown state.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 07 40 00 00 f0  Error: UNC 7 sectors at LBA = 0x00000040 = 64

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 07 40 00 00 f0 08      04:36:55.920  READ DMA
  c8 00 08 3f 00 00 f0 08      04:36:54.160  READ DMA
  c8 00 07 40 00 00 f0 08      04:35:46.896  READ DMA
  c8 00 08 3f 00 00 f0 08      04:35:45.152  READ DMA
  c8 00 01 7f 00 00 f0 08      04:35:45.136  READ DMA

Error 44663 occurred at disk power-on lifetime: 20621 hours (859 days + 5 hours)
  When the command that caused the error occurred, the device was in an unknown state.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 07 3f 00 00 f0  Error: UNC 7 sectors at LBA = 0x0000003f = 63

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 08 3f 00 00 f0 08      04:36:54.160  READ DMA
  c8 00 07 40 00 00 f0 08      04:35:46.896  READ DMA
  c8 00 08 3f 00 00 f0 08      04:35:45.152  READ DMA
  c8 00 01 7f 00 00 f0 08      04:35:45.136  READ DMA
  c8 00 01 41 00 00 f0 08      04:35:43.408  READ DMA

Error 44662 occurred at disk power-on lifetime: 20621 hours (859 days + 5 hours)
  When the command that caused the error occurred, the device was in an unknown state.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 07 40 00 00 f0  Error: UNC 7 sectors at LBA = 0x00000040 = 64

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 07 40 00 00 f0 08      04:35:46.896  READ DMA
  c8 00 08 3f 00 00 f0 08      04:35:45.152  READ DMA
  c8 00 01 7f 00 00 f0 08      04:35:45.136  READ DMA
  c8 00 01 41 00 00 f0 08      04:35:43.408  READ DMA
  c8 00 01 41 00 00 f0 08      04:35:41.664  READ DMA

Error 44661 occurred at disk power-on lifetime: 20621 hours (859 days + 5 hours)
  When the command that caused the error occurred, the device was in an unknown state.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 07 3f 00 00 f0  Error: UNC 7 sectors at LBA = 0x0000003f = 63

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 08 3f 00 00 f0 08      04:35:45.152  READ DMA
  c8 00 01 7f 00 00 f0 08      04:35:45.136  READ DMA
  c8 00 01 41 00 00 f0 08      04:35:43.408  READ DMA
  c8 00 01 41 00 00 f0 08      04:35:41.664  READ DMA
  c8 00 01 41 00 00 f0 08      04:35:39.936  READ DMA

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed: unknown failure    00%     21033         -
# 2  Short offline       Completed: unknown failure    00%     21033         -

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.