lvm.conf file. By default, the metadata backup is stored in the /etc/lvm/backup file and the metadata archives are stored in the /etc/lvm/archives file. You can manually back up the metadata to the /etc/lvm/backup file with the vgcfgbackup command.
vgcfrestore command restores the metadata of a volume group from the archive to all the physical volumes in the volume groups.
vgcfgrestore command to recover physical volume metadata, see Section 6.4, “Recovering Physical Volume Metadata”.