I am running proxmox 7.2.11
with
zfs-zed/stable,now 2.1.6-pve1 amd64
zfs-initramfs/stable,now 2.1.6-pve1 all
zfsutils-linux/stable,now 2.1.6-pve1 amd64
After taking out the only disk out of a hot swap bay in a single disk pool.
zpool status still listed the pool as online including that disk...