vgs
Report LVM volume group information
TLDR
List volume groups
$ sudo vgs
List all groups$ sudo vgs -a
Verbose output$ sudo vgs -v
Show specific fields$ sudo vgs -o vg_name,vg_size,vg_free
Append field$ sudo vgs -o +field_name
No headings$ sudo vgs --noheadings
Use separator$ sudo vgs --separator =
SYNOPSIS
vgs [OPTIONS] [VolumeGroupName...]
DESCRIPTION
vgs displays information about volume groups in a configurable table format. It shows group names, physical volumes count, logical volumes count, sizes, and free space.
PARAMETERS
-a, --all
Show all volume groups including incomplete ones-v, --verbose
Increase verbosity and show additional details-o, --options fields
Specify which fields to display--noheadings
Suppress the heading line in output--separator char
Use specified character as field separator--units units
Display sizes in specified units
CAVEATS
Incomplete volume groups (missing physical volumes) are hidden by default; use -a to show them. Default output is human-readable; use formatting options for scripting.
HISTORY
vgs is part of LVM2, the Linux Logical Volume Manager.