diff --git a/ironic_tempest_plugin/exceptions.py b/ironic_tempest_plugin/exceptions.py
index ac08d54..50a4468 100644
--- a/ironic_tempest_plugin/exceptions.py
+++ b/ironic_tempest_plugin/exceptions.py
@@ -23,3 +23,7 @@
 
 class HypervisorUpdateTimeout(exceptions.TempestException):
     message = "Hypervisor stats update time out"
+
+
+class RaidCleaningInventoryValidationFailed(exceptions.TempestException):
+    message = "RAID cleaning storage inventory validation failed"