tuning_zfs_on_Debian_10.sh

#!/bin/bash

zfs_arc_min=4   #G
zfs_arc_max=8   #G

cat << EOF >> /etc/modprobe.d/zfs.conf
# ZFS tuning for a proxmox machine that reserves 64GB for ZFS
#
# Don't let ZFS use less than 4GB and more than 64GB
options zfs zfs_arc_min=$(( ${zfs_arc_min} * 1024 * 1024 * 1024 ))
options zfs zfs_arc_max=$(( ${zfs_arc_max} * 1024 * 1024 * 1024 ))
#
# disabling prefetch is no longer required
options zfs l2arc_noprefetch=0

EOF