# zpool create samfs1_pool_1 c1t2d0
# zfs create samfs1_pool_1/dir11
# zfs create samfs1_pool_1/dir12
# zpool create samfs1_pool_2 c1t3d0
# zfs create samfs1_pool_2/dir13
# zpool create samfs1_base mirror c1t4d0 c1t5d0
# zfs set mountpoint=none samfs1_base
# zfs create -V 4g samfs1_base/samfs1_base_1