diff --git a/SAS/TMSS/backend/services/copy_service/copy_service.py b/SAS/TMSS/backend/services/copy_service/copy_service.py
index 5819024ff51605784e99e9288d5c0f5f3df84449..8da9f0bde1dc06455c066235b74f19f774246bb0 100755
--- a/SAS/TMSS/backend/services/copy_service/copy_service.py
+++ b/SAS/TMSS/backend/services/copy_service/copy_service.py
@@ -95,8 +95,11 @@ class TMSSCopyServiceEventMessageHandler(TMSSEventMessageHandler):
 
         # run df cmd, and parse output for total free disk space
         df_result = check_output_returning_strings(df_cmd)
+        logger.info(str(df_result))
         df_result_line = df_result.splitlines()[-1]
+        logger.info(str(df_result_line))
         df_result_line_parts = df_result_line.split(' ')
+        logger.info(str(df_result_line_parts))
         df_bytes = int(df_result_line_parts[3])
         input_dp_sizes = self.tmss_client.get_url_as_json_object(subtask['url'].rstrip('/')+'/input_dataproducts?fields=size')
         total_size = sum(x['size'] for x in input_dp_sizes)