diff --git a/testlib/infra.py b/testlib/infra.py
index ac008e3..a6ad4e2 100644
--- a/testlib/infra.py
+++ b/testlib/infra.py
@@ -305,8 +305,9 @@ def _check_integrity_meta_allocs(self, metadata):
             self.assertGreater(len(integrity_meta_allocs), 0)
 
             for alloc in integrity_meta_allocs:
-                self.assertGreater(alloc[0], 0)
-                self.assertGreater(alloc[1], 0)
+                start, length = Range(alloc[0], 512), Range(alloc[1], 512)
+                self.assertGreater(start, Range(0))
+                self.assertEqual(length % Range(8, 512), Range(0))
 
     def run_check(self, stop_time):
         """