Configure default storage

lxc storage create zfs zfs source=rpool/lxd
lxc profile device add default root disk path=/ pool=zfs

lxc storage list
lxc storage delete default

# zfs
lxc storage create zfs zfs source=tank/lxd
lxc storage list

# delete default storage
lxc storage volume list default
lxc storage volume delete default image/7d788819a5a97433db8470ee68370ec69e829b429800fa28b5524f0411490ce9
lxc storage delete default

# move container to another storage
CONTAINER=www1
lxc move ${CONTAINER} ${CONTAINER}-tmp -s nvme
lxc move ${CONTAINER}-tmp ${CONTAINER}
lxc start ${CONTAINER}

Configure ZFS storage

lxc profile device del dev-zfs root
lxc profile device add dev-zfs root disk path=/ pool=zfs

Storage

# change container storage quota
lxc config device set  root size 100GB

# lvm thin pool
lvcreate -L 250G --thinpool kvm system
lxc storage create kvm lvm source=system lvm.thinpool_name=kvm

# unix-block
lxc config device add c1 xvdb1 unix-block source=/dev/xvdb1 required=false
lxc config device remove gitlab-runner3-dev xvdb2

Container root

/var/lib/lxd/storage-pools/default/containers/*/rootfs/

Links
https://github.com/lxc/lxd/blob/master/doc/storage.md
https://linuxcontainers.org/lxd/docs/master/storage