On 2018-12-03 18:35, Phil Turmel wrote: > Your drives appear to be fine. I suspect you have a problem with other > hardware in this box. When I repeat `smartctl -t short` on these disks, it fails at exactly the same sector: Disk 1: Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed: read failure 40% 16424 7501728 # 2 Short offline Completed: read failure 40% 16398 7501728 Disk 2: Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed: read failure 50% 16424 1758544 # 2 Short offline Completed: read failure 50% 16398 1758544 Doesn't this suggest that this is not unfortunate behaviour of a power supply, but permanent damage to the disks (even if originally caused by a power or power supply problem)?