The PVE server is sending these emails:
The following warning/error was logged by the smartd daemon:
Device: /dev/sda [SAT], 1 Currently unreadable (pending) sectors
Device info:
ATP SATA III 2.5 inch SSD, S/N:005212000983, WWN:5-141357-010019399, FW:T0205B, 120 GB
SMART values (attached)...