I finally published my #libvirt hook script for managing locks in a #lvm2 shared volume group.

https://github.com/raspbeguy/libvirt-hook-lvmlock
GitHub - raspbeguy/libvirt-hook-lvmlock: A python script used as libvirt hook to manage LVM locks

A python script used as libvirt hook to manage LVM locks - raspbeguy/libvirt-hook-lvmlock

GitHub