dmsetup remove_all
wipefs -a --force /dev/nvme0n1p4
mkfs -t ext4 -q -F /dev/nvme0n1p4
mkdir -p /fs/nvme0n1p4
mount -t ext4 /dev/nvme0n1p4 /fs/nvme0n1p4

for cpu_dir in /sys/devices/system/cpu/cpu[0-9]*
do
	online_file="$cpu_dir"/online
	[ -f "$online_file" ] && [ "$(cat "$online_file")" -eq 0 ] && continue

	file="$cpu_dir"/cpufreq/scaling_governor
	[ -f "$file" ] && echo "performance" > "$file"
done

mkdir /export
mount -t tmpfs nfsv4_root_export /export
mkdir -p /export//fs/nvme0n1p4
mount --bind /fs/nvme0n1p4 /export//fs/nvme0n1p4
echo '/export//fs/nvme0n1p4 *(rw,no_subtree_check,no_root_squash)' >> /etc/exports
systemctl restart rpcbind
systemctl restart rpc-statd
systemctl restart nfs-idmapd
systemctl restart nfs-server
mkdir -p /nfs/nvme0n1p4
timeout 5m mount -t nfs -o vers=4 localhost:/fs/nvme0n1p4 /nfs/nvme0n1p4
touch /nfs/nvme0n1p4/wait_for_nfs_grace_period
fs_mark -d /nfs/nvme0n1p4/1 -d /nfs/nvme0n1p4/2 -d /nfs/nvme0n1p4/3 -d /nfs/nvme0n1p4/4 -d /nfs/nvme0n1p4/5 -d /nfs/nvme0n1p4/6 -n 1000000 -L 1 -S 1 -s 8192