You probably got a false negative. M. luteus should be oxidase +. To determine M. luteus do a MSA plate which should not produce acid and barley grow.
The volume name, or label, is a name you can assign to each drive on your system. The conversion (and some other utilities) will ask you for it as a way to confirm that you're really asking them to operate on the drive you think you are. We'll look at how to see, and set, the volume name on your drives.
There are three terminologies that you need to be familiar with before you start working with LVM. 1  Physical Volume: Physical Volumes are actual hard-disks or partitions, that you normally mount or unmount on a directory. 2  Volume Group: Volume Group is a group of multiple hard-disks or partitions that act as one.