Sorry, it took a while to find some time to get back to this. /var/log/udisks.log on a live system boot shows something interesting:
**** INITIAL ATA SMART POLL for /dev/sda
(udisks-daemon:2964): udisks-daemon-WARNING: **: Daemon is inhibited
Sorry, it took a while to find some time to get back to this. /var/log/udisks.log on a live system boot shows something interesting:
**** INITIAL ATA SMART POLL for /dev/sda
(udisks- daemon: 2964): udisks- daemon- WARNING: **: Daemon is inhibited