Re: Failing Hard Drive, or False Alarms?

[David Christensen <dpchrist@holgerdanske.com>]

On 9/10/25 10:30, Bruce Halco wrote:
> A couple of weeks ago I upgraded to trixie.  Since then I've gotten a 
> number of messages like
> Device: /dev/sda [SAT], 8 Currently unreadable (pending) sectors and 
> Device: /dev/sda [SAT], 30 Offline uncorrectable sectors These seem to 
> come within a day or so of a reboot, but it hasn't been long enough to 
> know if that's a red herring.
>
> I ran "smartctl -t offline /dev/sda", and the eventual result of 
> "smartctl -a /dev/sda" shows
>
>     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   140   140   054    Pre-fail
>       Offline      -       68
>       3 Spin_Up_Time            0x0007   178   178   024    Pre-fail
>       Always       -       351 (Average 293)
>       4 Start_Stop_Count        0x0012   100   100   000    Old_age
>        Always       -       120
>       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   124   124   020    Pre-fail
>       Offline      -       33
>       9 Power_On_Hours          0x0012   088   088   000    Old_age
>        Always       -       85831
>     10 Spin_Retry_Count        0x0013   100   100   060    Pre-fail
>       Always       -       0
>     12 Power_Cycle_Count       0x0032   100   100   000    Old_age
>        Always       -       120
>     192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age
>        Always       -       1028
>     193 Load_Cycle_Count        0x0012   100   100   000    Old_age
>        Always       -       1028
>     194 Temperature_Celsius     0x0002   171   171   000    Old_age
>        Always       -       35 (Min/Max 21/43)
>     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
>
>
> which seems to indicate no problems.
>
> I admit I'm not a smartctl wizard, but to me it seems that smartctl is 
> contradicting itself.
>
> Can anyone help me out?


Please open a root terminal, run the following commands, and post the 
complete console session -- prompts, commands entered, and output displayed:

# cat /etc/debian_version ; uname -a

# lsblk

# <whatever produces the "Device: /dev/sda [SAT]..." messages>


David