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