Hi Aaron,
I'm giving that workaround another try tonight when I can reboot. I've edited /etc/lvm/lvm.conf so that it now filters out the tandberg drive (sdb):
global_filter = ["r|/dev/sdb|", "r|/dev/zd.*|", "r|/dev/mapper/pve-.*|" "r|/dev/mapper/.*-(vm|base)--[0-9]+--disk--[0-9]+|"]
Here's the...