$ sudo cryptsetup luksClose devkit-disks-luks-uuid-35df8717-0b13-45e6-9cfc-71d2cad4fd4d-uid1000 Command failed: Device busy
(Have tried this when the drive was unmounted) $ sudo cryptsetup luksClose devkit-disks-luks-uuid-35df8717-0b13-45e6-9cfc-71d2cad4fd4d-uid1000 Command failed
$ sudo cryptsetup luksClose devkit- disks-luks- uuid-35df8717- 0b13-45e6- 9cfc-71d2cad4fd 4d-uid1000
Command failed: Device busy
(Have tried this when the drive was unmounted) disks-luks- uuid-35df8717- 0b13-45e6- 9cfc-71d2cad4fd 4d-uid1000
$ sudo cryptsetup luksClose devkit-
Command failed