ZFS related command

zfs_command.sh

## show pool configs
zfs get all zfs10

## print arc summary
arc_summary

## watch arc stats every 2 sec
watch -n 2 grep arc /proc/spl/kstat/zfs/arcstats

## test write speed
sudo dd if=/dev/zero of=/mnt/zfs10/test1.img bs=1GB count=1 oflag=direct

## zfs parameters file path
ls -al /sys/module/zfs/parameters/

## zfs.conf related, should be auto apply on reboot
sudo vim /etc/modprobe.d/zfs.conf

>>>>> conf contents sample <<<<<
options zfs zfs_arc_max=53687091200
options zfs zfs_arc_meta_limit=188239090960
options zfs zfs_arc_prune_task_threads=16