def test_thpool_convert(self):
"""Verify that it is possible to create a thin pool by conversion"""
succ = BlockDev.lvm_pvcreate(self.loop_dev, 0, 0, None)
self.assertTrue(succ)
succ = BlockDev.lvm_pvcreate(self.loop_dev2, 0, 0, None)
self.assertTrue(succ)
succ = BlockDev.lvm_vgcreate("testVG", [self.loop_dev, self.loop_dev2], 0, None)
self.assertTrue(succ)
# the name of the data LV is used for the pool
succ = BlockDev.lvm_lvcreate("testVG", "dataLV", 512 * 1024**2, None, [self.loop_dev], None)
self.assertTrue(succ)
succ = BlockDev.lvm_lvcreate("testVG", "metadataLV", 50 * 1024**2, None, [self.loop_dev2], None)
self.assertTrue(succ)
succ = BlockDev.lvm_thpool_convert("testVG", "dataLV", "metadataLV", "testPool", None)
self.assertTrue(succ)
info = BlockDev.lvm_lvinfo("testVG", "testPool")
self.assertIn("t", info.attr)
