It seems I found an exorcism that works:
It did pause before, but not with the write load it does since week 11.
The exorcism involves two small pieces of cardboard, effectively hindering the drive from vibrating on it's own.
(Optimistically tagging this as solved)
Code:
/ext/diskstat/smart.2023w05/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 153
/ext/diskstat/smart.2023w06/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 155
/ext/diskstat/smart.2023w07/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 167
/ext/diskstat/smart.2023w08/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 168
/ext/diskstat/smart.2023w09/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 169
/ext/diskstat/smart.2023w10/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 169
/ext/diskstat/smart.2023w11/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 170
/ext/diskstat/smart.2023w12/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 181
/ext/diskstat/smart.2023w13/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 187
/ext/diskstat/smart.2023w14/ada8:189 High_Fly_Writes -O-RCK 001 001 000 - 187
The exorcism involves two small pieces of cardboard, effectively hindering the drive from vibrating on it's own.
(Optimistically tagging this as solved)