# $FreeBSD$

Some remarks for setting up a zfs boot environment

ZFS Boot sctructure:
boot
+-ROOT
 +-root
[+-root2]
[+-root3]

zpool create -o mountpoint=none  boot ...
zpool set listsnapshots=on boot

zfs create -o mountpoint=/mnt boot/ROOT
zfs create boot/ROOT/root

Fill -> /mnt/root

cp /boot/zfs/zpool.cache /mnt/root/boot/zfs/zpool.cache
zpool set bootfs=boot/ROOT/root boot

set in /mnt/root/boot/loader.conf
#ZFS mandatory
zfs_load="YES"
vfs.root.mountfrom="zfs:boot/ROOT/root"
#ZFS optional
vm.kmem_size="8G"
vfs.zfs.arc_min="1G"
vfs.zfs.arc_max="2G"
vfs.zfs.prefetch_disable="1"
vfs.zfs.zil_disable=1
vfs.zfs.zio.use_uma=0
#Power savings
hw.pci.do_power_nodriver=3