o- null ............................................................................................................... [Bdevs: 0]
o- nvme ............................................................................................................... [Bdevs: 0]
o- pmemblk ............................................................................................................ [Bdevs: 0]
+ o- raid_volume ........................................................................................................ [Bdevs: 0]
o- rbd ................................................................................................................ [Bdevs: 0]
o- split_disk ......................................................................................................... [Bdevs: 0]
o- virtioblk_disk ..................................................................................................... [Bdevs: 1]