def test_cache_pool_convert(self):
"""Verify that it is possible to create a cache 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)
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_cache_pool_convert("testVG", "dataLV", "metadataLV", "testCache", None)
self.assertTrue(succ)
