fix: DM table change followed by a suspend/resume

ccnode/lvm.py

@@ -242,11 +242,17 @@ class LVM(object):
         '''
         '''
         with self._mutex.write:
-            rc = Exec.silent([self.DMSETUP,
+            rc1 = Exec.silent([self.DMSETUP,
                               'load',
                               name],
                               input=table)
-            if rc:
+            rc2 = Exec.silent([self.DMSETUP,
+                              'suspend',
+                              name])
+            rc3 = Exec.silent([self.DMSETUP,
+                              'resume',
+                              name])
+            if rc1 or rc2 or rc3:
                 raise LVMError('failed to change DM table')