diff --git a/hardware/nano_pi_m4.txt b/hardware/nano_pi_m4.txt
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+# Ubuntu bionic arm64 + zfs
+
+Nano Pi M4 + sata add-on board (rk3399 + marvell sata chip)
+
+Write Ubuntu bionic server image -> SD Card
+
+Boot
+
+armbian-config -> Install to eMMC
+
+apt update && apt install tmux nload htop iotop vim nano
+
+armbian-config -> Switch to nightlies
+
+tmux new -s working
+
+apt-add-repository universe
+apt install linux-headers-rk3399 linux-headers-dev-rk3399 
+
+apt install spl-dkms # this will fail
+dkms build spl/0.7.5
+dkms install spl/0.7.5
+
+apt install zfs-dkms # this will fail
+dkms build zfs/0.7.5
+dkms install zfs/0.7.5
+
+apt install zfsutils-linux
+
+modprobe zfs
+dmesg | grep -i zfs
+
+zpool create -o ashift=12 \
+      -O atime=off -O compression=lz4 \
+      -O normalization=formD \
+      tank \
+      mirror \
+        /dev/disk/by-id/ata-Samsung_Portable_SSD_T5_S49WNV0KA19725M-part1 \
+        /dev/disk/by-id/ata-Samsung_Portable_SSD_T5_S49WNV0KA19571A-part1 
+
+zpool status
+
+
+
+# Expand Storage
+
+zpool replace tank orig-disk-1 new-disk-1
+zpool replace tank orig-disk-2 new-disk-2
+[Wait for scrub and resilver to finish]
+zpool set autoexpand on tank
+zpool online tank new-disk-1
+zpool online tank new-disk-2
+zpool list
+zfs list