Caro Colegas
Não foi possível parar a unidade
error detaching: helper exited with exit code 1: Detaching device /dev/sdd
usb device: /sys/devices/pci0000:00/0000:00:12.2/usb1/1-3)
synchronize cache: failed: No such file or directory
(Continuing despite synchronize cache failure.)
stop unit: failed: No such file or directory