Device: /dev/ada4, 5 Currently unreadable (pending) sectors

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michaelkoehler

Dabbler
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Jul 8, 2014
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Hi everyone.

After replacing my MotherBoard, I came up getting the subject alert. At first it read 3 unreadable sectors, but now it's 5. I ran smartctl -t long /dev/ada4 and the results are below. I'm new to this, but I'm not seeing the error in the results.

Could anyone shed a little light for me?

Code:
[root@freenas] ~# smartctl -a /dev/ada4
smartctl 6.5 2016-05-07 r4318 [FreeBSD 10.3-RELEASE-p3 amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:  Western Digital Red
Device Model:  WDC WD30EFRX-68EUZN0
Serial Number:  WD-WMC4N1745682
LU WWN Device Id: 5 0014ee 0ae748b7d
Firmware Version: 80.00A80
User Capacity:  3,000,592,982,016 bytes [3.00 TB]
Sector Sizes:  512 bytes logical, 4096 bytes physical
Rotation Rate:  5400 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:  Mon Sep  5 11:06:05 2016 MDT
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:  (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:  (40680) 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:  ( 408) minutes.
Conveyance self-test routine
recommended polling time:  (  5) minutes.
SCT capabilities:  (0x703d) 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  0x002f  200  200  051  Pre-fail  Always  -  1425
  3 Spin_Up_Time  0x0027  183  180  021  Pre-fail  Always  -  5850
  4 Start_Stop_Count  0x0032  100  100  000  Old_age  Always  -  68
  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  076  076  000  Old_age  Always  -  18052
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  -  68
192 Power-Off_Retract_Count 0x0032  200  200  000  Old_age  Always  -  38
193 Load_Cycle_Count  0x0032  200  200  000  Old_age  Always  -  68
194 Temperature_Celsius  0x0022  112  105  000  Old_age  Always  -  38
196 Reallocated_Event_Count 0x0032  200  200  000  Old_age  Always  -  0
197 Current_Pending_Sector  0x0032  200  200  000  Old_age  Always  -  5
198 Offline_Uncorrectable  0x0030  100  253  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  -  7

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  Extended offline  Completed without error  00%  18049  -
# 2  Extended offline  Completed without error  00%  18039  -
# 3  Extended offline  Completed without error  00%  18020  -
# 4  Short offline  Completed without error  00%  17998  -
# 5  Short offline  Completed without error  00%  17830  -
# 6  Short offline  Completed without error  00%  17662  -
# 7  Extended offline  Completed without error  00%  17574  -
# 8  Short offline  Completed without error  00%  17494  -
# 9  Short offline  Completed without error  00%  17335  -
#10  Short offline  Completed without error  00%  17168  -
#11  Short offline  Completed without error  00%  17000  -
#12  Extended offline  Completed without error  00%  16912  -
#13  Short offline  Completed without error  00%  16832  -
#14  Short offline  Completed without error  00%  16664  -
#15  Short offline  Completed without error  00%  16496  -
#16  Short offline  Completed without error  00%  16329  -
#17  Extended offline  Completed without error  00%  16268  -
#18  Short offline  Completed without error  00%  16188  -
#19  Short offline  Completed without error  00%  16021  -
#20  Short offline  Completed without error  00%  15853  -
#21  Short offline  Completed without error  00%  15685  -

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.


Thanks,
Mike
 
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Ericloewe

Server Wrangler
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Messages
20,194
Drive's not looking good. Definitely have a replacement ready and burned-in.

I'm new to this, but I'm not seeing the error in the results.
???

197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 5

Also bad:
200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 7

And dubious:
1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 1425
 

michaelkoehler

Dabbler
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Messages
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joeschmuck

Old Man
Moderator
Joined
May 28, 2011
Messages
10,994
The drive has not failed yet but you have indications that it will in the near future. In your favor is the fact that the SMART long tests are passing without issue. If your drive is under warranty then you can do an Advanced RMA where WD will ship you a replacement drive and then you ship them the failing drive back. This minimizes your downtime.
 
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