diff --git a/esx_service/utils/log_config.py b/esx_service/utils/log_config.py
index 517eb4730..dbd9150f8 100644
--- a/esx_service/utils/log_config.py
+++ b/esx_service/utils/log_config.py
@@ -30,7 +30,7 @@
 # since we rely on it to locate log file name after config is loaded.
 LOG_CONFIG_FILE = "/etc/vmware/vmdkops/log_config.json"
 
-LOG_LEVEL_DEFAULT = 'INFO'
+LOG_LEVEL_DEFAULT = 'DEBUG'
 
 # Defaults for log files - used to generate conf file if it is missing
 # Note: log file location should be synced with CI and 'make'
diff --git a/esx_service/vmdk_ops.py b/esx_service/vmdk_ops.py
index fed320a35..b4f8cf430 100755
--- a/esx_service/vmdk_ops.py
+++ b/esx_service/vmdk_ops.py
@@ -277,6 +277,7 @@ def cloneVMDK(vm_name, vmdk_path, opts={}, vm_uuid=None, vm_datastore=None):
         src_vol_info = kv.get_vol_info(src_vmdk_path)
         datastore = vmdk_utils.get_datastore_from_vmdk_path(vmdk_path)
         opts["size"] = src_vol_info["size"]
+        logging.debug("cloneVMDK: src_vol_info[size]=%s", src_vol_info["size"])
         error_info, tenant_uuid, tenant_name = auth.authorize(vm_uuid,
                                                               datastore, auth.CMD_CREATE, opts)
         if error_info: