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Preclear Fail help

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hi guys i just brought 6TB WD Red Pro, i run WD Data Lifeguard Diagnostic "full erase and extend test" and they all pass, the i put on to my server and run preclear and getting this error

 

Jan 07 20:18:58 preclear_disk_sdk_18821: Command: /usr/local/emhttp/plugins/preclear.disk/script/preclear_disk.sh --notify 5 --frequency 4 --cycles 1 --no-prompt /dev/sdk

Jan 07 20:18:58 preclear_disk_sdk_18821: Preclear Disk Version: 0.8.3-beta

Jan 07 20:18:58 preclear_disk_sdk_18821: S.M.A.R.T. info type: default

Jan 07 20:18:58 preclear_disk_sdk_18821: S.M.A.R.T. attrs type: default

Jan 07 20:19:00 preclear_disk_sdk_18821: Pre-Read: dd if=/dev/sdk of=/dev/null bs=2097152  iflag=direct

Jan 07 20:19:00 preclear_disk_sdk_18821: Pre-Read: dd pid [21747]

Jan 08 05:52:41 preclear_disk_sdk_18821: Pre-Read: dd - read 6001175126016 of 6001175126016.

Jan 08 05:52:42 preclear_disk_sdk_18821: Zeroing: dd if=/dev/zero of=/dev/sdk bs=2097152 seek=1 conv=fdatasync,noerror oflag=direct

Jan 08 05:52:42 preclear_disk_sdk_18821: Zeroing: dd pid [12145]

Jan 08 15:19:06 preclear_disk_sdk_18821: Zeroing: dd - wrote 6001173028864 of 6001175126016.

Jan 08 15:19:07 preclear_disk_sdk_18821: Zeroing: dd command failed, exit code: 1

Jan 08 15:19:09 preclear_disk_sdk_18821: Post-Read: dd if=/dev/sdk bs=512 count=4096 skip=1 iflag=direct

Jan 08 15:19:09 preclear_disk_sdk_18821: Post-Read: dd pid [13306]

Jan 08 15:19:09 preclear_disk_sdk_18821: Post-Read: dd if=/dev/sdk bs=2097152  skip=1 iflag=direct 2>/tmp/.preclear/sdk/dd_output | cmp - /dev/zero &>/tmp/.preclear/sdk/cmp_out

Jan 08 15:19:09 preclear_disk_sdk_18821: Post-Read: dd pid [13336]

Jan 08 15:46:01 preclear_disk_sdk_18821: Post-Read: dd - read 358294224896 of 6001175126016.

Jan 08 15:46:01 preclear_disk_sdk_18821: Post-Read: fail - disk not zeroed

Jan 08 16:52:55 preclear_disk_sdk_3874: Command: /usr/local/emhttp/plugins/preclear.disk/script/preclear_disk.sh --notify 5 --frequency 4 --cycles 1 --no-prompt /dev/sdk

Jan 08 16:52:55 preclear_disk_sdk_3874: Preclear Disk Version: 0.8.3-beta

Jan 08 16:52:55 preclear_disk_sdk_3874: S.M.A.R.T. info type: default

Jan 08 16:52:55 preclear_disk_sdk_3874: S.M.A.R.T. attrs type: default

Jan 08 16:52:58 preclear_disk_sdk_3874: Pre-Read: dd if=/dev/sdk of=/dev/null bs=2097152  iflag=direct

Jan 08 16:52:58 preclear_disk_sdk_3874: Pre-Read: dd pid [6812]

Jan 09 02:26:35 preclear_disk_sdk_3874: Pre-Read: dd - read 6001175126016 of 6001175126016.

Jan 09 02:26:35 preclear_disk_sdk_3874: Pre-Read: fail - disk not zeroed

 

should i return and get another drive?

 

thanks in advanced

 

 

  • Community Expert

Do a memtest just to make sure it isn't caused by that, and post SMART for the drive.

  • Author

smartctl 6.5 2016-05-07 r4318 [x86_64-linux-4.4.30-unRAID] (local build)

Copyright © 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

 

=== START OF INFORMATION SECTION ===

Device Model:    WDC WD6002FFWX-68TZ4N0

Serial Number:    K1GTULBD

LU WWN Device Id: 5 000cca 255cb48fa

Firmware Version: 83.H0A83

User Capacity:    6,001,175,126,016 bytes [6.00 TB]

Sector Sizes:    512 bytes logical, 4096 bytes physical

Rotation Rate:    7200 rpm

Form Factor:      3.5 inches

Device is:        Not in smartctl database [for details use: -P showall]

ATA Version is:  ACS-2, ATA8-ACS T13/1699-D revision 4

SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)

Local Time is:    Sun Jan  8 16:32:11 2017 EST

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:  (0x82) Offline data collection activity

was completed without error.

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: (  113) 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: ( 847) minutes.

SCT capabilities:       (0x003d) 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    0x000b  100  100  016    Pre-fail  Always      -      0

  2 Throughput_Performance  0x0005  137  137  054    Pre-fail  Offline      -      104

  3 Spin_Up_Time            0x0007  100  100  024    Pre-fail  Always      -      0

  4 Start_Stop_Count        0x0012  100  100  000    Old_age  Always      -      2

  5 Reallocated_Sector_Ct  0x0033  100  100  005    Pre-fail  Always      -      0

  7 Seek_Error_Rate        0x000b  100  100  067    Pre-fail  Always      -      0

  8 Seek_Time_Performance  0x0005  128  128  020    Pre-fail  Offline      -      18

  9 Power_On_Hours          0x0012  100  100  000    Old_age  Always      -      30

10 Spin_Retry_Count        0x0013  100  100  060    Pre-fail  Always      -      0

12 Power_Cycle_Count      0x0032  100  100  000    Old_age  Always      -      2

192 Power-Off_Retract_Count 0x0032  100  100  000    Old_age  Always      -      5

193 Load_Cycle_Count        0x0012  100  100  000    Old_age  Always      -      5

194 Temperature_Celsius    0x0002  142  142  000    Old_age  Always      -      42 (Min/Max 25/51)

196 Reallocated_Event_Count 0x0032  100  100  000    Old_age  Always      -      0

197 Current_Pending_Sector  0x0022  100  100  000    Old_age  Always      -      0

198 Offline_Uncorrectable  0x0008  100  100  000    Old_age  Offline      -      0

199 UDMA_CRC_Error_Count    0x000a  200  200  000    Old_age  Always      -      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 without error      00%        30        -

 

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.

 

 

  • Community Expert

SMART looks OK. Are you doing memtest?

  • Author

I will later and let you know, one pass should be fine

 

Thanks for you help

  • Author

i run memtest and got this error

"note ram may be vulnerable to high frequency row hammer bit flips"

 

but i move the WD Red from the sata enclosure and connect strait to the mainboard and preclear finish without a problem, im running a 2 test now just to make sure

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