Use __________ to remove a physical volume from an existing volume group. Before running vgreduce, you must use pvmove to shift the data to another physical volume.
vgreduce
Use________ to delete a volume group. Before you can use ______________, you must first remove all logical volumes that have been defined in the volume group.
vgremove
____________devices are given a persistent name using the devices ID, UUID or path name
Block
If _____________ multi-pathing is used, a persistent name will be added to the /dev/disk/by-multipath directory.
device mapper