This just happened to me: 2020-03-05 16:16:43 Z executing ssh ... [email protected] lvcreate -Z y -W y -L 10000M -n debian.buster.guest.osstest-disk elbling0-vg WARNING: dos signature detected on /dev/elbling0-vg/debian.buster.guest.osstest-disk at offset 510. Wipe it? [y/n]:
So -Z y -W y is not effective. Ian.

