config root man

Current Path : /usr/src/tools/tools/nanobsd/rescue/Files/root/

FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64
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Current File : //usr/src/tools/tools/nanobsd/rescue/Files/root/ZFS_Create.txt

# $FreeBSD: release/9.1.0/tools/tools/nanobsd/rescue/Files/root/ZFS_Create.txt 219799 2011-03-20 13:01:57Z mr $

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

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