$ cat /proc/partitions|grep sda 8 0 488386584 sda 8 1 1024 sda1 8 2 488383488 sda2 8 16 39078144 sdb 8 32 6836191232 sdc 8 64 6836191232 sde 8 48 6836191232 sdd 8 80 6836191232 sdf $ sudo modprobe zfs $ lsmod|grep zfs zfs 3039232 3 zunicode 331776 1 zfs zavl 16384 1 zfs icp 253952 1 zfs zcommon 65536 1 zfs znvpair 77824 2 zfs,zcommon spl 102400 4 zfs,icp,znvpair,zcommon $ sudo zpool create -f myvol raidz sdc sdd sde sdf $ sudo zfs set atime=off myvol $ sudo zfs get atime myvol NAME PROPERTY VALUE SOURCE myvol atime off local $ sudo zfs set compression=off myvol $ sudo zfs get compression myvol NAME PROPERTY VALUE SOURCE myvol compression off default $ sudo modprobe zfs zfs_arc_max=4294967296 options zfs zfs_arc_max=4294967296 $ cat /sys/module/zfs/parameters/zfs_arc_max 0 $ echo 4294967296 |sudo tee -a /sys/module/zfs/parameters/zfs_arc_max 4294967296 $ cat /sys/module/zfs/parameters/zfs_arc_max 4294967296 $ cat /proc/partitions|grep nvme 259 0 244198584 nvme0n1 259 3 97654784 nvme0n1p1 259 4 96679936 nvme0n1p2 $ sudo zpool add myvol cache nvme0n1p1 $ sudo zpool add myvol log nvme0n1p2