HDD-Fehler: 35 Currently unreadable (pending) sectors

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hssfreenas

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May 15, 2018
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Hallo,
habe auf meinem mirror eine defekte HDD und bekomme folgende Fehlermeldungen:
  • KRITISCH: 14. Mai 2018 10:10 - Device: /dev/ada0, 35 Currently unreadable (pending) sectors
  • KRITISCH: 14. Mai 2018 10:41 - Device: /dev/ada0, new Self-Test Log error at hour timestamp 37594
Ich möchte gerne wissen ob es eine Möglichkeit gibt so viele defekte Sektoren zu reparieren, oder ob die Disk ausnahmslos defekt ist...?
meine FreeNAS-Version ist aktuell, die 11.1-U4 (FreeBSD 11.1-STABLE (FreeNAS.amd64) #2 r321665+366f54a78b2(freenas/11.1-stable))...

smartctl -a /dev/ada0 sagt folgendes:

Code:
root@FreeNAS:~ # smartctl -a /dev/ada0

smartctl 6.6 2017-11-05 r4594 [FreeBSD 11.1-STABLE amd64] (local build)

Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org


=== START OF INFORMATION SECTION ===

Model Family:	 Western Digital Black

Device Model:	 WDC WD3003FZEX-00Z4SA0

Serial Number:	WD-WCC1XXXXXXXX

LU WWN Device Id: 5 0014ee 7aae047dc

Firmware Version: 01.01A01

User Capacity:	3,000,592,982,016 bytes [3.00 TB]

Sector Sizes:	 512 bytes logical, 4096 bytes physical

Rotation Rate:	7200 rpm

Device is:		In smartctl database [for details use: -P show]

ATA Version is:   ACS-2 (minor revision not indicated)

SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)

Local Time is:	Wed May 16 21:53:02 2018 CEST

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:  (0x84)	Offline data collection activity

					was suspended by an interrupting command from host.

					Auto Offline Data Collection: Enabled.

Self-test execution status:	  ( 121)	The previous self-test completed having

					the read element of the test failed.

Total time to complete Offline

data collection:		 (30480) 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:	 ( 331) minutes.

Conveyance self-test routine

recommended polling time:	 (   5) minutes.

SCT capabilities:		   (0x7035)	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   199   051	Pre-fail  Always	   -	   0

  3 Spin_Up_Time			0x0027   157   143   021	Pre-fail  Always	   -	   11116

  4 Start_Stop_Count		0x0032   100   100   000	Old_age   Always	   -	   41

  5 Reallocated_Sector_Ct   0x0033   200   200   140	Pre-fail  Always	   -	   0

  7 Seek_Error_Rate		 0x002e   200   200   000	Old_age   Always	   -	   0

  9 Power_On_Hours		  0x0032   049   049   000	Old_age   Always	   -	   37653

 10 Spin_Retry_Count		0x0032   100   253   000	Old_age   Always	   -	   0

 11 Calibration_Retry_Count 0x0032   100   253   000	Old_age   Always	   -	   0

 12 Power_Cycle_Count	   0x0032   100   100   000	Old_age   Always	   -	   39

192 Power-Off_Retract_Count 0x0032   200   200   000	Old_age   Always	   -	   17

193 Load_Cycle_Count		0x0032   200   200   000	Old_age   Always	   -	   25

194 Temperature_Celsius	 0x0022   105   091   000	Old_age   Always	   -	   47

196 Reallocated_Event_Count 0x0032   200   200   000	Old_age   Always	   -	   0

197 Current_Pending_Sector  0x0032   200   200   000	Old_age   Always	   -	   34

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   0x0008   200   200   000	Old_age   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  Short offline	   Completed: read failure	   90%	 37644		 38351104

# 2  Short offline	   Completed: read failure	   90%	 37632		 38351064

# 3  Short offline	   Completed: read failure	   90%	 37620		 38351064

# 4  Short offline	   Completed: read failure	   90%	 37608		 38351064

# 5  Extended offline	Completed: read failure	   90%	 37599		 38351064

# 6  Short offline	   Completed: read failure	   90%	 37596		 38351064

# 7  Extended offline	Completed: read failure	   90%	 37594		 38351064

# 8  Short offline	   Completed: read failure	   90%	 37584		 38351064

# 9  Short offline	   Completed: read failure	   90%	 37572		 38351064

#10  Short offline	   Completed: read failure	   90%	 37560		 38351064

#11  Short offline	   Completed: read failure	   90%	 37548		 38351064

#12  Short offline	   Completed: read failure	   90%	 37536		 38351064

#13  Short offline	   Completed: read failure	   90%	 37524		 38351064

#14  Short offline	   Completed: read failure	   10%	 37512		 38371992

#15  Short offline	   Completed: read failure	   90%	 37500		 38351064

#16  Short offline	   Completed: read failure	   90%	 37488		 38357160

#17  Short offline	   Completed: read failure	   90%	 37476		 38357160

#18  Short offline	   Completed: read failure	   90%	 37464		 38357160

#19  Short offline	   Completed: read failure	   90%	 37452		 38357160

#20  Short offline	   Completed: read failure	   10%	 37440		 38375160

#21  Short offline	   Completed without error	   00%	 37428		 -


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.

 

MrToddsFriends

Documentation Browser
Joined
Jan 12, 2015
Messages
1,338
Hallo,
habe auf meinem mirror eine defekte HDD und bekomme folgende Fehlermeldungen:
  • KRITISCH: 14. Mai 2018 10:10 - Device: /dev/ada0, 35 Currently unreadable (pending) sectors
  • KRITISCH: 14. Mai 2018 10:41 - Device: /dev/ada0, new Self-Test Log error at hour timestamp 37594
Ich möchte gerne wissen ob es eine Möglichkeit gibt so viele defekte Sektoren zu reparieren, oder ob die Disk ausnahmslos defekt ist...?

Bei diesem smartctl Log sind die fehlgeschlagenen letzten 20 SMART Tests
--- zuletzt "new Self-Test Log error at hour timestamp 37594", im Log selbst erkennbar als "Completed: read failure" ---
mehr besorgniserregend als die unreadable (pending) sectors.

Am Besten schnellstmöglich austauschen.
 

hssfreenas

Cadet
Joined
May 15, 2018
Messages
2
Bei diesem smartctl Log sind die fehlgeschlagenen letzten 20 SMART Tests
--- zuletzt "new Self-Test Log error at hour timestamp 37594", im Log selbst erkennbar als "Completed: read failure" ---
mehr besorgniserregend als die unreadable (pending) sectors.

Am Besten schnellstmöglich austauschen.
Danke für die Info, Platte ist bereits bestellt. Wollte nur aus Interesse wissen ob ein reparieren möglich wäre...?
 

MrToddsFriends

Documentation Browser
Joined
Jan 12, 2015
Messages
1,338
Danke für die Info, Platte ist bereits bestellt. Wollte nur aus Interesse wissen ob ein reparieren möglich wäre...?

Beim Attribut "197 Current_Pending_Sector" kann man entweder warten, bis die Firmware die entsprechenden Sektoren umgemappt hat oder versuchen, dies durch provozierte Lese- oder Schreibvorgänge zu beschleunigen.

https://en.wikipedia.org/wiki/S.M.A.R.T.#ATA_S.M.A.R.T._attributes
https://unix.stackexchange.com/questions/1869/how-do-i-make-my-disk-unmap-pending-unreadable-sectors

"Reparieren" würde ich das allerdings nicht nennen. Man kann damit bestenfalls die Anzahl der als "pending" angezeigten Sektoren verringern. Nicht selten nimmt die Anzahl der Fehler allerdings mit der Zeit zu, sodass alles "Reparieren" (in diesem Sinne) möglicherweise keine dauerhafte Verringerung bringt.

Die Fehler bei den SMART Tests ("Completed: read failure") kann man meines Wissens gar nicht beheben. Eine Platte mit solchen Fehlern ist schlicht defekt.
 
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