lvm -help

dumpconfig- Dump active configuration
formats- List available metadata formats
help--Display help for commands
lvchange- Change the attributes of logical volume(s)
lvconvert- Change logical volume layout
lvcreate- Create a logical volume
lvdisplay- Display information about a logical volume
lvextend- Add space to a logical volume
lvmchange- With the device mapper, this is obsolete and does nothing.
lvmdiskscan-List devices that may be used as physical volumes
lvmsadc- Collect activity data
lvmsar- Create activity report
lvreduce- Reduce the size of a logical volume
lvremove- Remove logical volume(s) from the system
lvrename- Rename a logical volume
lvresize- Resize a logical volume
lvs-- Display information about logical volumes
lvscan- List all logical volumes in all volume groups
pvchange- Change attributes of physical volume(s)
pvresize- Resize physical volume(s)
pvck--Check the consistency of physical volume(s)
pvcreate- Initialize physical volume(s) for use by LVM
pvdata- Display the on-disk metadata for physical volume(s)
pvdisplay- Display various attributes of physical volume(s)
pvmove- Move extents from one physical volume to another
pvremove- Remove LVM label(s) from physical volume(s)
pvs-- Display information about physical volumes
pvscan- List all physical volumes
segtypes- List available segment types
vgcfgbackup-Backup volume group configuration(s)
vgcfgrestore Restore volume group configuration
vgchange- Change volume group attributes
vgck--Check the consistency of volume group(s)
vgconvert- Change volume group metadata format
vgcreate- Create a volume group
vgdisplay- Display volume group information
vgexport- Unregister volume group(s) from the system
vgextend- Add physical volumes to a volume group
vgimport- Register exported volume group with system
vgmerge- Merge volume groups
vgmknodes- Create the special files for volume group devices in /dev
vgreduce- Remove physical volume(s) from a volume group
vgremove- Remove volume group(s)
vgrename- Rename a volume group
vgs-- Display information about volume groups
vgscan- Search for all volume groups
vgsplit- Move physical volumes into a new or existing volume group
version- Display software and driver version information