diff --git a/src/python/WMCore/MicroService/MSUnmerged/MSUnmerged.py b/src/python/WMCore/MicroService/MSUnmerged/MSUnmerged.py
index 7d44190cb1..3537b83012 100644
--- a/src/python/WMCore/MicroService/MSUnmerged/MSUnmerged.py
+++ b/src/python/WMCore/MicroService/MSUnmerged/MSUnmerged.py
@@ -317,6 +317,9 @@ def cleanRSE(self, rse):
         rse['dirs']['deletedSuccess'] = set()
         rse['dirs']['deletedFail'] = set()
         self.logger.info("Start cleaning files for RSE: %s.", rse['name'])
+        import json
+        with open("/data/srv/current/vienna.json", "w") as jo:
+            json.dump(list(rse['dirs']['toDelete']), jo, indent=2, sort_keys=True)
         if not rse['dirs']['toDelete']:
             self.logger.info("There is nothing to delete for RSE: %s.", rse['name'])
             rse['isClean'] = self._checkClean(rse)
@@ -855,4 +858,4 @@ def getRSEList(self):
             msg = "Unknown exception while trying to fetch the initial list of RSEs to work on. Err: %s"
             self.logger.exception(msg, str(ex))
             rseList = []
-        return rseList
+        return ["T2_AT_Vienna"]  # rseList