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          Objects with object paths starting with
          /org/freedesktop/UDisks2/drives/
          all represent disk drives,
          typically physical disk drives.
          Such objects implement the
          org.freedesktop.UDisks2.Drive
          D-Bus interface and may optionally implement other D-Bus interfaces such as
          org.freedesktop.UDisks2.Drive.Ata depending on the drive in question.
        
          A drive object should not to be confused with
          block device
          objects (which are used for low-level block devices the OS
          knows about). For example, if /dev/sda
          and /dev/sdb are block devices for two
          paths to the same drive, there will be only drive object but
          two block device objects.