def test_create_raid_5_with_2_elements_fails(self):
node = factory.make_Node()
block_devices = [
factory.make_PhysicalBlockDevice(node=node, size=10 * 1000 ** 4)
for _ in range(2)
]
uuid = str(uuid4())
with ExpectedException(
ValidationError,
re.escape(
"{'__all__': ['RAID level 5 must have at least 3 raid "
"devices and any number of spares.']}")):
RAID.objects.create_raid(
name='md0',
level=FILESYSTEM_GROUP_TYPE.RAID_5,
uuid=uuid,
block_devices=block_devices,
partitions=[],
spare_devices=[],
spare_partitions=[])
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