I just now got a Warning message from my server that my array has errors. However, it only lists it as a warning, and I just ran a SMART test on that drive and got "Completed without error." I'm not sure what, if anything, I should do about this. I sure would hate to have to replace such a new (and expensive!) drive.

 

Event: Unraid array errors
Subject: Warning [NNC] - array has errors
Description: Array has 1 disk with read errors
Importance: warning

Disk 15 - WDC_WD160EDFZ-11AFWA0_2BH4U4PN (sdt) (errors 698)

 

nnc-diagnostics-20210801-0325.zip

It's logged as a disk problem, but in LBA 0 which is strange, still should run an extended SMART test, if the test passes swap cables/slot with another disk to rule that out.

Ok, I'm running an extended test now. 

The extended test just finished and looks like there's definitely a problem. 

 

SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate     PO-R--   100   100   001    -    0
  2 Throughput_Performance  --S---   133   133   054    -    108
  3 Spin_Up_Time            POS---   083   083   001    -    345 (Average 345)
  4 Start_Stop_Count        -O--C-   100   100   000    -    10
  5 Reallocated_Sector_Ct   PO--CK   100   100   001    -    0
  7 Seek_Error_Rate         -O-R--   100   100   001    -    0
  8 Seek_Time_Performance   --S---   140   140   020    -    15
  9 Power_On_Hours          -O--C-   100   100   000    -    1972
 10 Spin_Retry_Count        -O--C-   100   100   001    -    0
 12 Power_Cycle_Count       -O--CK   100   100   000    -    10
 22 Unknown_Attribute       PO---K   100   100   025    -    100
192 Power-Off_Retract_Count -O--CK   100   100   000    -    3197
193 Load_Cycle_Count        -O--C-   100   100   000    -    3197
194 Temperature_Celsius     -O----   044   044   000    -    37 (Min/Max 24/43)
196 Reallocated_Event_Count -O--CK   100   100   000    -    0
197 Current_Pending_Sector  -O---K   100   100   000    -    8
198 Offline_Uncorrectable   ---R--   100   100   000    -    0
199 UDMA_CRC_Error_Count    -O-R--   100   100   000    -    0

 

nnc-smart-20210801-1758.zip

nnc-diagnostics-20210801-1804.zip

Edited August 2, 20214 yr by MikaelTarquin

38 minutes ago, MikaelTarquin said:

definitely a problem

yes

# 1  Extended offline    Completed: read failure       70%      1970         6512392424

 

3 minutes ago, trurl said:

# 1 Extended offline Completed: read failure 70% 1970 6512392424

I'm not exactly sure what this means. Is it most likely a problem with the drive or with the connection?

19 minutes ago, MikaelTarquin said:

with the drive

This^

I'm going to try RMAing the drive. With 2 parity drives, am I okay to just stop the array, pull the drive out, and start the array again with that drive in emulated mode until the replacement is here?

Any access of disk15 will require reading all other disks to emulate.

What would be the best practice, then?

Should be fine but some performance impact from emulation.