NetBSD-5.0.2/dist/iscsi/src/examples/2.conf

# Complex file showing 3-way RAID1 (with RAID1 components),
# also using local and (NFS) remote components

# extents
extent0	/iscsi/extents/0			0	100MB
extent1	/imports/remote1/iscsi/extents/0	0	100MB
extent2	/iscsi/extents/1			0	100MB
extent3	/imports/remote1/iscsi/extents/1	0	100MB
extent4	/iscsi/extents/2			0	100MB
extent5	/imports/remote1/iscsi/extents/2	0	100MB

# devices
device0	RAID1		extent0 extent1
device1	RAID1		extent2 extent3
device2	RAID1		extent4 extent5
device3	RAID1		device0 device1 device2

# targets
target0	device3		10.4.0.0/16