Create a raid-z
pool:
zpool create poolname raidz c0t50004CF2121A7832d0 c0t50004CF20D941F19d0 ...
… this will mount the pool at /poolname
Create a ZFS filesystem, typically …
zfs create -o compression=lz4 -o sync=disabled -o atime=off poolname/some/fsname
Alternately …
zfs create -o compression=on -o mountpoint=/zones zonepool/zones zfs create -o sync=disabled -o atime=off zonepool/zones/oidev
zpool export poolname
zpool import -d /dev/disk/by-id poolname