4.7. Displaying LVM Information with the lvm Command
			The 
lvm command provides several built-in options that you can use to display information about LVM support and configuration.
		- lvm devtypesDisplays the recognized built-in block device types (Red Hat Enterprise Linux release 6.6 and later).
- lvm formatsDisplays recognizes metadata formats.
- lvm helpDisplays LVM help text.
- lvm segtypesDisplays recognized logical volume segment types.
- lvm tagsDisplays any tags defined on this host. For information on LVM object tags, see Appendix D, LVM Object Tags.
- lvm versionDisplays the current version information.