Over 230million Seek_Error_Rate & Raw_Read_Error_Rate on Seagate IronWolf 2TB

Gidday, mates!

I’m worried, but should i be?

(EDIT: tl;dr → stop worrying, it’s fine …see also the link in the 2nd reply)

My 3 Seagate IronWolf ST2000VN004-2E4164 2TB NAS HDDs all produce an alarming SMART report.

smartctl -x

ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  1 Raw_Read_Error_Rate     POSR--   117   099   006    -    130223486
  3 Spin_Up_Time            PO----   096   096   000    -    0
  4 Start_Stop_Count        -O--CK   100   100   020    -    18
  5 Reallocated_Sector_Ct   PO--CK   100   100   010    -    0
  7 Seek_Error_Rate         POSR--   084   060   030    -    238893354
  9 Power_On_Hours          -O--CK   088   088   000    -    10908 (*1.3 years)
 10 Spin_Retry_Count        PO--C-   100   100   097    -    0
 12 Power_Cycle_Count       -O--CK   100   100   020    -    18
184 End-to-End_Error        -O--CK   100   100   099    -    0
187 Reported_Uncorrect      -O--CK   100   100   000    -    0
188 Command_Timeout         -O--CK   100   100   000    -    0
189 High_Fly_Writes         -O-RCK   001   001   000    -    607
190 Airflow_Temperature_Cel -O---K   074   056   045    -    26 (Min/Max 25/28)
191 G-Sense_Error_Rate      -O--CK   100   100   000    -    0
192 Power-Off_Retract_Count -O--CK   100   100   000    -    4
193 Load_Cycle_Count        -O--CK   100   100   000    -    47
194 Temperature_Celsius     -O---K   026   044   000    -    26 (0 20 0 0 0)
197 Current_Pending_Sector  -O--C-   100   100   000    -    0
198 Offline_Uncorrectable   ----C-   100   100   000    -    0
199 UDMA_CRC_Error_Count    -OSRCK   200   200   000    -    0
                            ||||||_ K auto-keep
                            |||||__ C event count
                            ||||___ R error rate
                            |||____ S speed/performance
                            ||_____ O updated online
                            |______ P prefailure warning

* i added this, wasn't included in the raw report

However, the extended self-test …

SMART Extended Self-test Log Version: 1 (1 sectors)
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%     10907         -
# 2  Short offline       Completed without error       00%     10893         -
  1. What would be the reason for such a drastically elevated Seek_Error_Rate & Raw_Read_Error_Rate - 130-240 million? The field name, ATTRIBUTE_NAME, tells me that it’s a hardware issue, maybe firmware?
  2. Am i interpreting this correctly - the HDD itself maintains those KCRSOP flags, right - it’s not something smartctl enriches the report with, right? The drive firmware itself emmits this prefailure warning, right?
  3. Since the firmware seems to tell me that the drive will fail soon, I’d love to RMA these. The warranty period ends 2022-05.

I believe with the seek error rate value, lower is bad. With a value of 84 the actual error is something like 1 in 100 million seeks. As far as raw read error? It isn’t really an indication of disk failure by itself.

The things I really look for is relocated sectors increasing and if the seek error rate value is dropping. Ideally you’ll get a smart warning if such parameters are going in the wrong direction. But I have been fortunate not to have had that many disk failures to be an expert…

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This link starts " Seagate’s Seek Error Rate , Raw Read Error Rate , and Hardware ECC Recovered SMART attributes create a lot of anxiety amongst Seagate users. " and goes on to explain that high raw numbers are not what they seem.
http://www.users.on.net/~fzabkar/HDD/Seagate_SER_RRER_HEC.html

Web search on “seagate hdd smart seek_error_rate” turned up a moderate number of similar posts. You may want to look some over and learn more about the SMART data you are seeing.

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Thank you very much, @Caped_Kibitzer!

I think that explains it, and since there are no reallocated sectors, no spin_retry, no g-sense errors …well, i might as well stop worrying, and love the SMART

Cheers! :wink: :beers:

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