tldr/pages/linux/vgscan.md

vgscan

Scan for volume groups on all supported Logical Volume Manager (LVM) block devices. See also lvm, vgchange. More information: https://manned.org/vgscan.

• Scan for volume groups and print information about each group found:

sudo vgscan

• Scan for volume groups and add the special files in /dev, if they don't already exist, needed to access the logical volumes in the found groups :

sudo vgscan --mknodes