5.3.16. Recreating a Volume Group Directory
				To recreate a volume group directory and logical volume special files, use the 
vgmknodes command. This command checks the LVM2 special files in the /dev directory that are needed for active logical volumes. It creates any special files that are missing removes unused ones.
			
				You can incorporate the 
vgmknodes command into the vgscan command by specifying the mknodes argument to the vgscan command.