diff --git a/roles/mysql/tasks/main.yml b/roles/mysql/tasks/main.yml
index f366745fd..f54b6b38b 100644
--- a/roles/mysql/tasks/main.yml
+++ b/roles/mysql/tasks/main.yml
@@ -14,7 +14,6 @@
       - php{{ php_version }}-xmlrpc
     state: present
   when: is_debuntu | bool
-  #tags: download
 
 - name: Install php{{ php_version }}-xml (ubuntu or debian 9+)
   package:
@@ -44,15 +43,12 @@
       - php-xmlrpc
     state: present
   when: not is_debuntu
-  #tags: download
 
 - include_tasks: centos.yml
   when: ansible_distribution == "CentOS"
-  #tags: download
 
 - include_tasks: fedora.yml
   when: ansible_distribution == "Fedora"
-  #tags: download
 
 
 # 2019-07-03 @jvonau @holta: the next 50 lines (6 stanzas) double MariaDB's
@@ -68,7 +64,7 @@
 - name: Copy pkg's /lib/systemd/system/mariadb.service to /etc/systemd/system/ to be customized (CREATES TIMESTAMPED BACKUPS OF /etc/systemd/system/mariadb.service e.g. IF OPERATOR CUSTOMIZED IT, EVEN DESPITE WARNING BELOW!)
   copy:
     force: yes
-    backup: no
+    backup: yes
     src: /lib/systemd/system/mariadb.service
     dest: /etc/systemd/system/
   when: mariadb_unit_file.stat.exists
@@ -178,6 +174,7 @@
     state: stopped
   when: not mysql_enabled
 
+
 - name: Add 'mysql' variable values to {{ iiab_ini_file }}
   ini_file:
     path: "{{ iiab_ini_file }}"