# How to create ZFS mirroring on Debian 7 / Old notes!

# Information were gathered from the following sites:
# http://zfsonlinux.org/debian.html
# http://www.zfsbuild.com/2010/06/03/howto-create-mirrored-vdev-zpool/
# http://allgood38.io/setting-up-a-basic-linux-zfs-instance.html
# https://help.ubuntu.com/community/encryptedZfs
# http://linux.arantius.com/installing-gentoo-into-a-luks-encrypted-zfs-root
#
# CheatSheet: http://lildude.co.uk/zfs-cheatsheet

# Get ZFS On Linux debian package, install it and add their GPG key to APT
su
wget http://archive.zfsonlinux.org/debian/pool/main/z/zfsonlinux/zfsonlinux_8_all.deb
dpkg -i zfsonlinux_8_all.deb
wget http://zfsonlinux.org/4D5843EA.asc -O - | apt-key add -

# Install ZFS using APT
apt-get update
apt-get install debian-zfs

# Create LUKS encrypted volumes
cryptsetup luksFormat /dev/sdc
cryptsetup luksFormat /dev/sdd

# Open luks encrypted devices - those will be mirrored
cryptsetup luksOpen  /dev/sdc luk1
cryptsetup luksOpen  /dev/sdd luk2

# Create the mirror pool using the opened luks devices
# WARNING
# THIS DESTROYES YOUR EXISTING POOL IF YOU ALREADY HAVE ONE!
zpool create -m none -O compression=lz4 m_pool mirror luk1 luk2
# -m mountpoint -O
# END OF CREATION
# Done!

# The following part is required for mounting/opening our ZFS mirror.

# Import the pool if it's not already
zpool import m_pool

# Mount it manually
zfs set mountpoint=/mpool m_pool

# Checks
zpool list
zpool iostat
zpool status


--------

# Finally change privileges if needed
chown -R storager:storager /mpool

# Create ZFS filesystem
zfs create tank/testfs


--------

# Destory
zpool destroy m_pool