====== storage ======

Add ''hddpool'':
<code bash>
zpool create -o ashift=13 hddpool mirror /dev/disk/by-id/XXX-part4 /dev/disk/by-id/YYY-part4
zfs set compression=on hddpool
zfs create hddpool/data
zfs create hddpool/vz
zfs set atime=on hddpool/vz
zfs set relatime=on hddpool/vz

pvesm add dir hdd --path /hddpool/vz --content iso,vztmpl,backup --nodes pve6,pve7
pvesm add zfspool hdd-zfs --pool hddpool/data --content images,rootdir --sparse 1 --blocksize 128k  --nodes pve6,pve7
</code>