I needed to reinstall my proxmox ve onto a ssd (just for the boot speed) and I don't really know how to migrate data from old drive to new one (containers) . Btw I can't boot anymore to older installation (grub broke there and rescue boot doesn't see it). I'd no problems whatsoever with mounting the old drives and retrieving containers from them (my TrueNas core vm is working fine with two drives passed trough. I can without any problem see those drive and whole LVM, but those containers doesn't show up when i create lvm directory trough Datacenter>Storage.