zfs
enable services
systemctl enable zfs-import-cache.service
systemctl enable zfs-mount.service
# enable auto for pool
zpool set cachefile=/etc/zfs/zpool.cache <pool>
create pool
# create a single big partition on each drive that is the same size (leave a buffer)
ls -l /dev/disk/by-partlabel
ls -l /dev/disk/by-partuuid
zpool create -o ashift=12 -m <mount point> <poolname> raidz2 <disk1 ID> <disk2 ID> <disk3 ID> <disk4 ID>
# create dataset
zfs create <nameofzpool>/<nameofdataset>
# put quotas
zfs set quota=20G <nameofzpool>/<nameofdataset>/<directory>
Check status
zpool status -v
If it fails to automount
# not sure who is by-id
zpool import -d /dev/disk/by-id bigdata
Move pool to another device
# if we don't do this we won't be able to import
zpool export <pool>
Change mount point
zfs set mountpoint=/foo/bar poolname
Create snapshot
zfs snapshot zpool1/filestore@initial
Scrub
zpool scrub <pool>
Replace
zpool offline <pool> <old>
zpool replace <pool> <old> <new>