diff --git a/roles/0-init/tasks/main.yml b/roles/0-init/tasks/main.yml
index eb23b641a..5a40bb39d 100644
--- a/roles/0-init/tasks/main.yml
+++ b/roles/0-init/tasks/main.yml
@@ -110,6 +110,9 @@
 
 # MongoDB is auto-included by Sugarizer as of Feb 2019, thanks to: roles/sugarizer/meta/main.yml
 #
+# 2019-07-08: mongodb_install is completely ignored.  FYI mongodb_enabled: False
+# works but is ineffective, as Sugarizer starts mongodb's systemd svc on its own
+#
 ## Late 2017: Had commented out MongoDB on a trial basis, for a more basic/lightweight Sugarizer, per https://github.com/iiab/iiab/pull/427
 #- name: Turn on both vars for MongoDB if sugarizer_enabled
 #  set_fact:
diff --git a/roles/mongodb/tasks/install.yml b/roles/mongodb/tasks/install.yml
new file mode 100644
index 000000000..c87cf49fa
--- /dev/null
+++ b/roles/mongodb/tasks/install.yml
@@ -0,0 +1,168 @@
+# 1. INSTALL MongoDB PACKAGES OR BINARIES
+
+- name: "Install packages: mongodb, mongodb-server (not rpi)"
+  package:
+    name:
+      - mongodb-server
+      - mongodb    # 2019-01-31: this package does not exist on (cannot be installed on) Debian 10, SEE #1437
+    state: present
+  when: internet_available and not is_rpi
+  tags:
+    - download
+
+# 2019-02-02: Sugarizer with Node.js 10.x requires MongoDB 2.6+ so
+# https://andyfelong.com/2017/08/mongodb-3-0-14-for-raspbian-stretch/
+# is being used on RPi, all I found! (Raspbian's apt pkg is MongoDB 2.4.14)
+#
+# mongodb_stretch_3_0_14_core.zip (20M) & mongodb_stretch_3_0_14_tools.zip (15M)
+# were backed up from andyfelong.com to http://download.iiab.io/packages/
+#
+# CLARIF: mongodb_stretch_3_0_14_core.zip IS IN FACT 3.0.14 (core) BUT...
+#         mongodb_stretch_3_0_14_tools.zip IS REALLY 3.0.15 (tools)
+
+- name: Create dir /tmp/mongodb-3.0.1x (rpi)
+  file:
+    path: /tmp/mongodb-3.0.1x
+    state: directory
+  when: internet_available and is_rpi
+
+- name: Download & unzip 20MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_core.zip to /tmp/mongodb-3.0.1x (rpi)
+  unarchive:
+    remote_src: yes
+    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_core.zip"
+    dest: /tmp/mongodb-3.0.1x
+  when: internet_available and is_rpi
+
+- name: Install (move) its 3 CORE binaries from /tmp/mongodb-3.0.1x/core to /usr/bin (rpi)
+  shell: mv /tmp/mongodb-3.0.1x/core/* /usr/bin
+  when: internet_available and is_rpi
+
+- name: Download & unzip 15MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_tools.zip [IN FACT THIS ONE'S 3.0.15] to /tmp/mongodb-3.0.1x (rpi)
+  unarchive:
+    remote_src: yes
+    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_tools.zip"
+    dest: /tmp/mongodb-3.0.1x
+  when: internet_available and is_rpi
+
+- name: Install (move) its 9 TOOLS binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (rpi)
+  shell: mv /tmp/mongodb-3.0.1x/tools/* /usr/bin
+  when: internet_available and is_rpi
+
+# OLD WAY / MUCH SLOWER: had put unnec duplicate copies in /opt/iiab/downloads/mongodb-3.0.1x
+#
+#- name: Create dir /opt/iiab/downloads/mongodb-3.0.1x (rpi)
+#  file:
+#    path: "{{ downloads_dir }}/mongodb-3.0.1x"
+#    state: directory
+#  when: internet_available and is_rpi
+#
+#- name: Download & unzip MongoDB 3.0.14's 3 core binaries to /opt/iiab/downloads/mongodb-3.0.1x (rpi)
+#  unarchive:
+#    remote_src: yes
+#    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_core.zip"
+#    dest: "{{ downloads_dir }}/mongodb-3.0.1x"
+#  when: internet_available and is_rpi
+#
+#- name: Install (copy) 3 binaries from /opt/iiab/downloads/mongodb-3.0.1x/core to /usr/bin (rpi)
+#  copy:
+#    src: "{{ item }}"
+#    dest: /usr/bin
+#  with_fileglob:
+#    - "{{ downloads_dir }}/mongodb-3.0.1x/core/*"
+#  when: internet_available and is_rpi
+#
+#- name: Download & unzip MongoDB 3.0.15's 9 tools binaries to /opt/iiab/downloads/mongodb-3.0.1x (rpi)
+#  unarchive:
+#    remote_src: yes
+#    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_tools.zip"
+#    dest: "{{ downloads_dir }}/mongodb-3.0.1x"
+#  when: internet_available and is_rpi
+#
+#- name: Install (copy) 9 binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (rpi)
+#  copy:
+#    src: "{{ item }}"
+#    dest: /usr/bin
+#  with_fileglob:
+#    - "{{ downloads_dir }}/mongodb-3.0.1x/tools/*"
+#  when: internet_available and is_rpi
+
+- name: Create Linux group mongodb (rpi)
+  group:
+    name: mongodb
+    state: present
+  when: is_rpi | bool
+
+- name: Create Linux user mongodb (rpi)
+  user:
+    name: mongodb
+    group: mongodb    # primary group
+    groups: mongodb
+    home: /var/lib/mongodb
+    shell: /usr/sbin/nologin
+  when: is_rpi | bool
+
+
+# 2. CONFIGURE FOR IIAB
+
+- name: 'Create 3 dirs for MongoDB: /var/lib/mongodb, /var/log/mongodb, {{ mongodb_db_path }}'
+  file:
+    state: directory
+    path: "{{ item }}"
+    owner: mongodb
+    group: mongodb
+  with_items:
+    #- { path: '/var/run/mongodb' }
+    - /var/lib/mongodb
+    - /var/log/mongodb
+    - "{{ mongodb_db_path }}"    # i.e. /library/dbdata/mongodb/
+
+- name: Install /etc/mongod.conf, mongodb.service, /usr/bin/iiab-mongodb-repair-if-no-lock from templates
+  template:
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    owner: root
+    group: root
+    mode: "{{ item.mode }}"
+  with_items:
+    - { src: 'mongod.conf.j2', dest: "{{ mongodb_conf }}", mode: '0644' }    # i.e. /etc/mongod.conf
+    - { src: 'mongodb.service.j2', dest: '/etc/systemd/system/mongodb.service', mode: '0644' }
+    - { src: 'iiab-mongodb-repair-if-no-lock.j2', dest: '/usr/bin/iiab-mongodb-repair-if-no-lock', mode: '0755' }
+
+
+# 3. ENABLE/DISABLE
+
+# 2019-07-08: mongodb_install is completely ignored.  FYI mongodb_enabled: False
+# works but is ineffective, as Sugarizer starts mongodb's systemd svc on its own
+
+- name: Enable & Restart 'mongodb' systemd service if mongodb_enabled, incl daemon-reload (in case mongodb.service changed?)
+  systemd:
+    name: mongodb
+    daemon_reload: yes
+    enabled: yes
+    state: restarted
+  when: mongodb_enabled | bool
+
+- name: Disable 'mongodb' service, if not mongodb_enabled
+  systemd:
+    name: mongodb
+    daemon_reload: yes
+    enabled: no
+    state: stopped
+  when: not mongodb_enabled
+
+
+# 4. DOCUMENT IN /etc/iiab/iiab.ini
+
+- name: Add 'mongodb' variable values to {{ iiab_ini_file }}
+  ini_file:
+    path: "{{ iiab_ini_file }}"
+    section: mongodb
+    option: "{{ item.option }}"
+    value: "{{ item.value }}"
+  with_items:
+    - option: name
+      value: MongoDB
+    - option: description
+      value: '"MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling."'
+    - option: enabled
+      value: "{{ mongodb_enabled }}"
diff --git a/roles/mongodb/tasks/main.yml b/roles/mongodb/tasks/main.yml
index 6b4eb0deb..c3d3f8eba 100644
--- a/roles/mongodb/tasks/main.yml
+++ b/roles/mongodb/tasks/main.yml
@@ -1,165 +1,6 @@
-# 1. INSTALL MongoDB PACKAGES OR BINARIES
+# 2019-07-08: mongodb_install is completely ignored.  FYI mongodb_enabled: False
+# works but is ineffective, as Sugarizer starts mongodb's systemd svc on its own
 
-- name: "Install packages: mongodb, mongodb-server (not rpi)"
-  package:
-    name:
-      - mongodb-server
-      - mongodb    # 2019-01-31: this package does not exist on (cannot be installed on) Debian 10, SEE #1437
-    state: present
-  when: internet_available and not is_rpi
-  tags:
-    - download
-
-# 2019-02-02: Sugarizer with Node.js 10.x requires MongoDB 2.6+ so
-# https://andyfelong.com/2017/08/mongodb-3-0-14-for-raspbian-stretch/
-# is being used on RPi, all I found! (Raspbian's apt pkg is MongoDB 2.4.14)
-#
-# mongodb_stretch_3_0_14_core.zip (20M) & mongodb_stretch_3_0_14_tools.zip (15M)
-# were backed up from andyfelong.com to http://download.iiab.io/packages/
-#
-# CLARIF: mongodb_stretch_3_0_14_core.zip IS IN FACT 3.0.14 (core) BUT...
-#         mongodb_stretch_3_0_14_tools.zip IS REALLY 3.0.15 (tools)
-
-- name: Create dir /tmp/mongodb-3.0.1x (rpi)
-  file:
-    path: /tmp/mongodb-3.0.1x
-    state: directory
-  when: internet_available and is_rpi
-
-- name: Download & unzip 20MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_core.zip to /tmp/mongodb-3.0.1x (rpi)
-  unarchive:
-    remote_src: yes
-    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_core.zip"
-    dest: /tmp/mongodb-3.0.1x
-  when: internet_available and is_rpi
-
-- name: Install (move) its 3 CORE binaries from /tmp/mongodb-3.0.1x/core to /usr/bin (rpi)
-  shell: mv /tmp/mongodb-3.0.1x/core/* /usr/bin
-  when: internet_available and is_rpi
-
-- name: Download & unzip 15MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_tools.zip [IN FACT THIS ONE'S 3.0.15] to /tmp/mongodb-3.0.1x (rpi)
-  unarchive:
-    remote_src: yes
-    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_tools.zip"
-    dest: /tmp/mongodb-3.0.1x
-  when: internet_available and is_rpi
-
-- name: Install (move) its 9 TOOLS binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (rpi)
-  shell: mv /tmp/mongodb-3.0.1x/tools/* /usr/bin
-  when: internet_available and is_rpi
-
-# OLD WAY / MUCH SLOWER: had put unnec duplicate copies in /opt/iiab/downloads/mongodb-3.0.1x
-#
-#- name: Create dir /opt/iiab/downloads/mongodb-3.0.1x (rpi)
-#  file:
-#    path: "{{ downloads_dir }}/mongodb-3.0.1x"
-#    state: directory
-#  when: internet_available and is_rpi
-#
-#- name: Download & unzip MongoDB 3.0.14's 3 core binaries to /opt/iiab/downloads/mongodb-3.0.1x (rpi)
-#  unarchive:
-#    remote_src: yes
-#    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_core.zip"
-#    dest: "{{ downloads_dir }}/mongodb-3.0.1x"
-#  when: internet_available and is_rpi
-#
-#- name: Install (copy) 3 binaries from /opt/iiab/downloads/mongodb-3.0.1x/core to /usr/bin (rpi)
-#  copy:
-#    src: "{{ item }}"
-#    dest: /usr/bin
-#  with_fileglob:
-#    - "{{ downloads_dir }}/mongodb-3.0.1x/core/*"
-#  when: internet_available and is_rpi
-#
-#- name: Download & unzip MongoDB 3.0.15's 9 tools binaries to /opt/iiab/downloads/mongodb-3.0.1x (rpi)
-#  unarchive:
-#    remote_src: yes
-#    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_tools.zip"
-#    dest: "{{ downloads_dir }}/mongodb-3.0.1x"
-#  when: internet_available and is_rpi
-#
-#- name: Install (copy) 9 binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (rpi)
-#  copy:
-#    src: "{{ item }}"
-#    dest: /usr/bin
-#  with_fileglob:
-#    - "{{ downloads_dir }}/mongodb-3.0.1x/tools/*"
-#  when: internet_available and is_rpi
-
-- name: Create Linux group mongodb (rpi)
-  group:
-    name: mongodb
-    state: present
-  when: is_rpi | bool
-
-- name: Create Linux user mongodb (rpi)
-  user:
-    name: mongodb
-    group: mongodb    # primary group
-    groups: mongodb
-    home: /var/lib/mongodb
-    shell: /usr/sbin/nologin
-  when: is_rpi | bool
-
-
-# 2. CONFIGURE FOR IIAB
-
-- name: 'Create 3 dirs for MongoDB: /var/lib/mongodb, /var/log/mongodb, {{ mongodb_db_path }}'
-  file:
-    state: directory
-    path: "{{ item }}"
-    owner: mongodb
-    group: mongodb
-  with_items:
-    #- { path: '/var/run/mongodb' }
-    - /var/lib/mongodb
-    - /var/log/mongodb
-    - "{{ mongodb_db_path }}"    # i.e. /library/dbdata/mongodb/
-
-- name: Install /etc/mongod.conf, mongodb.service, /usr/bin/iiab-mongodb-repair-if-no-lock from templates
-  template:
-    src: "{{ item.src }}"
-    dest: "{{ item.dest }}"
-    owner: root
-    group: root
-    mode: "{{ item.mode }}"
-  with_items:
-    - { src: 'mongod.conf.j2', dest: "{{ mongodb_conf }}", mode: '0644' }    # i.e. /etc/mongod.conf
-    - { src: 'mongodb.service.j2', dest: '/etc/systemd/system/mongodb.service', mode: '0644' }
-    - { src: 'iiab-mongodb-repair-if-no-lock.j2', dest: '/usr/bin/iiab-mongodb-repair-if-no-lock', mode: '0755' }
-
-
-# 3. ENABLE/DISABLE
-
-- name: Enable & Restart 'mongodb' systemd service if mongodb_enabled, incl daemon-reload (in case mongodb.service changed?)
-  systemd:
-    name: mongodb
-    daemon_reload: yes
-    enabled: yes
-    state: restarted
-  when: mongodb_enabled | bool
-
-- name: Disable 'mongodb' service, if not mongodb_enabled
-  systemd:
-    name: mongodb
-    daemon_reload: yes
-    enabled: no
-    state: stopped
-  when: not mongodb_enabled
-
-
-# 4. DOCUMENT IN /etc/iiab/iiab.ini
-
-- name: Add 'mongodb' variable values to {{ iiab_ini_file }}
-  ini_file:
-    path: "{{ iiab_ini_file }}"
-    section: mongodb
-    option: "{{ item.option }}"
-    value: "{{ item.value }}"
-  with_items:
-    - option: name
-      value: MongoDB
-    - option: description
-      value: '"MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling."'
-    - option: enabled
-      value: "{{ mongodb_enabled }}"
+- name: Install 'mongodb' if not Debian 10+
+  include_tasks: install.yml
+  when: not ((is_debian and not is_raspbian) and (not is_debian_8) and (not is_debian_9))
diff --git a/vars/default_vars.yml b/vars/default_vars.yml
index 3851f5704..f982c9513 100644
--- a/vars/default_vars.yml
+++ b/vars/default_vars.yml
@@ -380,8 +380,9 @@ moodle_enabled: False
 # If using Moodle intensively, set apache_high_php_limits in 3-BASE-SERVER
 
 # MongoDB (/library/dbdata/mongodb) is used by Sugarizer:
-# Its 2 settings below are auto-set to True (in roles/0-init/tasks/main.yml) when: sugarizer_enabled | bool
 # The mongodb playbook itself is later invoked by roles/sugarizer/meta/main.yml
+# 2019-07-08: mongodb_install is completely ignored.  FYI mongodb_enabled: False
+# works but is ineffective, as Sugarizer starts mongodb's systemd svc on its own
 mongodb_install: False
 mongodb_enabled: False
 mongodb_port: 27018