echo "options zfs zfs_arc_max=4294967296" | sudo tee -a /etc/modprobe.d/zfs.conf echo "options zfs l2arc_noprefetch=0" | sudo tee -a /etc/modprobe.d/zfs.conf echo "vfs.zfs.l2arc_write_max=134217728" | sudo tee -a /etc/modprobe.d/zfs.conf echo "vfs.zfs.l2arc_write_boost=268435456" | sudo tee -a /etc/modprobe.d/zfs.conf echo "vm.swappiness = 10" | sudo tee -a /etc/sysctl.conf zfs set secondarycache=metadata tank zfs set compression=lz4 tank zfs set sync=disabled tank zfs set atime=off tank zfs set redundant_metadata=most tank zfs set xattr=sa tank zfs set compression=off tank/media zfs set compression=off tank/photos zfs set compression=lz4 ssd zfs set sync=disabled ssd zfs set atime=off ssd zfs set redundant_metadata=most ssd zfs set xattr=sa ssd zfs set dedup=skein ssd