SMART Raw_Read_Error_Rate wird runtergezählt?

[altmetaller]

Hallo,

kleiner Ausschnitt aus der syslog von heute:

Code: Alles auswählen

root@terra:/var/log# cat syslog | grep Prefailure | grep sda
2023-08-27T00:17:50.600723+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 82 to 83
2023-08-27T12:17:50.741512+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 83 to 84
2023-08-27T18:17:50.484327+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 84 to 70
2023-08-27T19:17:50.396899+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 70 to 71
2023-08-27T19:47:50.873907+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 71 to 72
2023-08-28T00:47:50.640808+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 72 to 73
2023-08-28T03:17:51.034240+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 73 to 74
2023-08-28T03:47:50.602154+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 74 to 75
2023-08-28T07:47:50.611167+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 75 to 76
2023-08-28T11:17:50.857787+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 76 to 77
2023-08-28T16:17:50.597098+02:00 terra smartd[1125]: Device: /dev/sda [SAT], SMART Prefailure Attribute: 1 Raw_Read_Error_Rate changed from 77 to 78
root@terra:/var/log# 

Warum wird der Wert in der dritten Zeile von 84 auf 70 zurückgesetzt? Müsste sich das nicht immer weiter aufsummieren?

Gruß,
Jörg