make reading error more obvious

weed/util/config.go

@@ -27,7 +27,7 @@ func LoadConfiguration(configFileName string, required bool) (loaded bool) {
 	glog.V(1).Infof("Reading %s.toml from %s", configFileName, viper.ConfigFileUsed())
 
 	if err := viper.MergeInConfig(); err != nil { // Handle errors reading the config file
-		glog.V(1).Infof("Reading %s: %v", viper.ConfigFileUsed(), err)
+		glog.V(0).Infof("Reading %s: %v", viper.ConfigFileUsed(), err)
 		if required {
 			glog.Fatalf("Failed to load %s.toml file from current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/"+
 				"\n\nPlease use this command to generate the default %s.toml file\n"+