Preclear results WD15EADS


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Hi,

I precleared this drive twice. Unfortunately I didn't save the results of the first run but here is the most recent one.

The test passed but as you can see, there are a lot of sectors pending re-allocation. Why isn't this done?

The raw value of "Reallocated_Sector_Ct" is 0.

I understand there are enough sectors left to re-allocate bad ones.

 

What is your opinion?

Regards

 

 

========================================================================1.13
== invoked as: ./preclear_disk.sh -A /dev/sdb
==  WDC WD15EADS-00P8B0    WD-WMAVU0911268
== Disk /dev/sdb has been successfully precleared
== with a starting sector of 64 
== Ran 1 cycle
==
== Using :Read block size = 8225280 Bytes
== Last Cycle's Pre Read Time  : 5:57:07 (70 MB/s)
== Last Cycle's Zeroing time   : 5:31:46 (75 MB/s)
== Last Cycle's Post Read Time : 11:22:26 (36 MB/s)
== Last Cycle's Total Time     : 22:52:19
==
== Total Elapsed Time 22:52:19
==
== Disk Start Temperature: 29C
==
== Current Disk Temperature: 35C, 
==
============================================================================
** Changed attributes in files: /tmp/smart_start_sdb  /tmp/smart_finish_sdb
                ATTRIBUTE   NEW_VAL OLD_VAL FAILURE_THRESHOLD STATUS      RAW_VALUE
      Temperature_Celsius =   115     121            0        ok          35
No SMART attributes are FAILING_NOW

35 sectors were pending re-allocation before the start of the preclear.
41 sectors were pending re-allocation after pre-read in cycle 1 of 1.
188 sectors were pending re-allocation after zero of disk in cycle 1 of 1.
193 sectors are pending re-allocation at the end of the preclear,
    a change of 158 in the number of sectors pending re-allocation.
0 sectors had been re-allocated before the start of the preclear.
0 sectors are re-allocated at the end of the preclear,
    the number of sectors re-allocated did not change. 
============================================================================

 

@start

Disk: /dev/sdb
smartctl 5.40 2010-10-16 r3189 [i486-slackware-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Caviar Green family
Device Model:     WDC WD15EADS-00P8B0
Serial Number:    WD-WMAVU0911268
Firmware Version: 01.00A01
User Capacity:    1,500,301,910,016 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   8
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Sun Aug 18 22:16:39 2013 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:      (   0)	The previous self-test routine completed
				without error or no self-test has ever 
				been run.
Total time to complete Offline 
data collection: 		 (32400) 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: 	 ( 255) minutes.
Conveyance self-test routine
recommended polling time: 	 (   5) minutes.
SCT capabilities: 	       (0x3037)	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   200   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   186   182   021    Pre-fail  Always       -       5691
  4 Start_Stop_Count        0x0032   099   099   000    Old_age   Always       -       1299
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002e   100   253   000    Old_age   Always       -       0
  9 Power_On_Hours          0x0032   095   095   000    Old_age   Always       -       3817
10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       187
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       145
193 Load_Cycle_Count        0x0032   194   194   000    Old_age   Always       -       19908
194 Temperature_Celsius     0x0022   121   103   000    Old_age   Always       -       29
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       35
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      -       1

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%      3408         -

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.

 

@finish

Disk: /dev/sdb
smartctl 5.40 2010-10-16 r3189 [i486-slackware-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Caviar Green family
Device Model:     WDC WD15EADS-00P8B0
Serial Number:    WD-WMAVU0911268
Firmware Version: 01.00A01
User Capacity:    1,500,301,910,016 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   8
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Mon Aug 19 21:08:58 2013 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:      (   0)	The previous self-test routine completed
				without error or no self-test has ever 
				been run.
Total time to complete Offline 
data collection: 		 (32400) 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: 	 ( 255) minutes.
Conveyance self-test routine
recommended polling time: 	 (   5) minutes.
SCT capabilities: 	       (0x3037)	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   200   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   186   182   021    Pre-fail  Always       -       5691
  4 Start_Stop_Count        0x0032   099   099   000    Old_age   Always       -       1299
  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   095   095   000    Old_age   Always       -       3840
10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       187
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       145
193 Load_Cycle_Count        0x0032   194   194   000    Old_age   Always       -       19909
194 Temperature_Celsius     0x0022   115   103   000    Old_age   Always       -       35
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       193
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      -       1

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%      3408         -

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.

 

 

 

 

Link to comment

Apart from the Pending sectors, the drive looks great, but you cannot ignore the increasing Pending sector count.  Strange drive, I don't know why PreClear is not forcing the drive to deal with them.  I'd normally suggest another PreClear, but since the increases are the result of the second one, there is no point in another.  I would try a long SMART test and a destructive-write badblocks pass on the drive.  If that does not clear them, I don't know what to tell you.  I would not be comfortable putting this drive on line.

Link to comment

I started another preclear run yesterday night and just had a short view on the progress this morning.

Doesn't look good.

It was doing the zeroing pass and write rate was about 7MB/s.

Then I had a short look at the syslog which is 9MB and full of IO errors for the last 3 hours.

 

I'm not sure if it's really the drive because I also started a parity rebuild and one more preclear

on another drive. I can provide an excerpt of the syslog this evening.

 

Now I restarted the preclear.

The other tasks will finish in about 2 hours.

So when it's zeroing time again the full resources will be available for this preclear process.

 

@RobJ:

How can I perform a

destructive-write badblocks pass

 

RMA-ing time is over. It's out of warranty since 12/2012 :-(

 

Edit:

I opened a ticket at WD and asked them why the drive is not reallocating the pending sectors. I'll keep you posted if they answer.

Link to comment

Here are the syslogs.

I had to shorten them in order to meet the size limitation of the forum.

 

syslog-2013-08-21_2nd_preclear.txt ends on Aug 21 07:06:35 when I restarted the preclear.

 

syslog-2013-08-21_3rd_preclear.txt ends on Aug 21 19:39:31 when I cancelled the 3rd preclear because there was no more progress.

Zeroing was stuck at 3%, no change in bytes read count only time was counting up.

 

syslog-2013-08-21_2nd_preclear.txt

syslog-2013-08-21_3rd_preclear.txt

Link to comment

:( think so too...

Can use it as a paperweight, warranty period is over.

 

This is the report of crystaldiskinfo:

It highlights C5 current pending sectors and C6 uncorrectable sector count

smartctl used in unraid seems to be a bit out-dated.

On their website they released version 6.2

Perhaps it would make sense to update?

 

----------------------------------------------------------------------------
CrystalDiskInfo 5.3.1 
----------------------------------------------------------------------------
(3) WDC WD15EADS-00P8B0
----------------------------------------------------------------------------
           Model : WDC WD15EADS-00P8B0
        Firmware : 01.00A01
   Serial Number : WD-WMAVU0911268
       Disk Size : 1500,3 GB (8,4/137,4/1500,3)
     Buffer Size : 32767 KB
     Queue Depth : 32
    # of Sectors : 2930277168
   Rotation Rate : Unbekannt
       Interface : Serial ATA
   Major Version : ATA8-ACS
   Minor Version : ----
   Transfer Mode : SATA/300
  Power On Hours : 3878 Std.
  Power On Count : 191 mal
     Temparature : 27 C (80 F)
   Health Status : Vorsicht
        Features : S.M.A.R.T., AAM, 48bit LBA, NCQ
       APM Level : ----
       AAM Level : 80FEh [OFF]

-- S.M.A.R.T. --------------------------------------------------------------
ID Cur Wor Thr RawValues(6) Attribute Name
01 200 200 _51 000000000000 Read Error Rate
03 186 182 _21 000000001644 Spin-Up Time
04 _99 _99 __0 000000000517 Start/Stop Count
05 200 200 140 000000000000 Reallocated Sectors Count
07 200 200 __0 000000000000 Seek Error Rate
09 _95 _95 __0 000000000F26 Power-On Hours
0A 100 100 __0 000000000000 Spin Retry Count
0B 100 100 __0 000000000000 Recalibration Retries
0C 100 100 __0 0000000000BF Power Cycle Count
C0 200 200 __0 000000000095 Power-off Retract Count
C1 194 194 __0 000000004DD6 Load/Unload Cycle Count
C2 123 103 __0 00000000001B Temperature
C4 200 200 __0 000000000000 Reallocation Event Count
C5 198 198 __0 000000000206 Current Pending Sector Count
C6 199 199 __0 000000000145 Uncorrectable Sector Count
C7 200 200 __0 000000000000 UltraDMA CRC Error Count
C8 196 195 __0 000000000389 Write Error Rate

-- IDENTIFY_DEVICE ---------------------------------------------------------
        0    1    2    3    4    5    6    7    8    9
000: 427A 3FFF C837 0010 0000 0000 003F 0000 0000 0000
010: 2020 2020 2057 442D 574D 4156 5530 3931 3132 3638
020: 0000 FFFF 0032 3031 2E30 3041 3031 5744 4320 5744
030: 3135 4541 4453 2D30 3050 3842 3020 2020 2020 2020
040: 2020 2020 2020 2020 2020 2020 2020 8010 0000 2F00
050: 4001 0000 0000 0007 3FFF 0010 003F FC10 00FB 0100
060: FFFF 0FFF 0000 0407 0003 0078 0078 0078 0078 0000
070: 0000 0000 0000 0000 0000 001F 1706 0000 0044 0040
080: 01FE 0000 746B 7F61 4123 7469 BC41 4123 007F 00A5
090: 00A5 0000 FFFE 0000 80FE 0000 0000 0000 0000 0000
100: 7B30 AEA8 0000 0000 0000 0000 0000 0000 5001 4EE0
110: 01C6 68F8 0000 0000 0000 0000 0000 0000 0000 401C
120: 401C 0000 0000 0000 0000 0000 0000 0000 0021 0000
130: 0000 0000 0000 16DB 0000 0000 0000 0000 0000 0000
140: 0000 0000 0004 0000 0000 0000 0000 0000 0000 0000
150: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
160: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
170: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
180: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
190: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
200: 0000 0000 0000 0000 0000 0000 3037 0000 0000 0000
210: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
220: 0000 0000 101E 0000 0000 0000 0000 0000 0000 0000
230: 0000 0000 0000 0000 0001 1000 0000 0000 0000 0000
240: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
250: 0000 0000 0000 0000 0000 0000

-- SMART_READ_DATA ---------------------------------------------------------
     +0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 10 00 01 2F 00 C8 C8 00 00 00 00 00 00 00 03 27
010: 00 BA B6 44 16 00 00 00 00 00 04 32 00 63 63 17
020: 05 00 00 00 00 00 05 33 00 C8 C8 00 00 00 00 00
030: 00 00 07 2E 00 C8 C8 00 00 00 00 00 00 00 09 32
040: 00 5F 5F 26 0F 00 00 00 00 00 0A 32 00 64 64 00
050: 00 00 00 00 00 00 0B 32 00 64 64 00 00 00 00 00
060: 00 00 0C 32 00 64 64 BF 00 00 00 00 00 00 C0 32
070: 00 C8 C8 95 00 00 00 00 00 00 C1 32 00 C2 C2 D6
080: 4D 00 00 00 00 00 C2 22 00 7B 67 1B 00 00 00 00
090: 00 00 C4 32 00 C8 C8 00 00 00 00 00 00 00 C5 32
0A0: 00 C6 C6 06 02 00 00 00 00 00 C6 30 00 C7 C7 45
0B0: 01 00 00 00 00 00 C7 32 00 C8 C8 00 00 00 00 00
0C0: 00 00 C8 08 00 C4 C3 89 03 00 00 00 00 00 00 00
0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 82 00 90 7E 01 7B
170: 03 00 01 00 02 FF 05 72 01 00 00 00 00 00 00 00
180: 00 00 01 06 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 32

-- SMART_READ_THRESHOLD ----------------------------------------------------
     +0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 10 00 01 33 C8 C8 C8 C8 C8 C8 00 00 00 00 03 15
010: 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00
020: 00 00 00 00 00 00 05 8C 00 00 00 00 00 00 00 00
030: 00 00 07 00 C8 C8 C8 C8 C8 C8 00 00 00 00 09 00
040: 00 00 00 00 00 00 00 00 00 00 0A 00 00 00 00 00
050: 00 00 00 00 00 00 0B 00 00 00 00 00 00 00 00 00
060: 00 00 0C 00 00 00 00 00 00 00 00 00 00 00 C0 00
070: 00 00 00 00 00 00 00 00 00 00 C1 00 00 00 00 00
080: 00 00 00 00 00 00 C2 00 00 00 00 00 00 00 00 00
090: 00 00 C4 00 00 00 00 00 00 00 00 00 00 00 C5 00
0A0: 00 00 00 00 00 00 00 00 00 00 C6 00 FF 00 00 00
0B0: 01 01 00 00 00 00 C7 00 00 00 00 00 00 00 00 00
0C0: 00 00 C8 00 C4 C8 C8 C8 C8 C8 00 00 00 00 00 00
0D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 B0

 

Here is the result of WDLG tool quick test:

Test Option: QUICK TEST 
Model Number: WDC WD15EADS-00P8B0 
Unit Serial Number: WD-WMAVU0911268 
Firmware Number: 01.00A01 
Capacity: 1500.30 GB 
SMART Status: PASS 
Test Result: FAIL 
Test Error Code: 06-Quick Test on drive 3 did not complete! Status code = 07 (Failed read test element), Failure Checkpoint = 97 (Unknown Test) SMART self-test did not complete on drive 3! 
Test Time: 23:17:48, August 22, 2013 

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