diff --git a/roles/mongodb/tasks/main.yml b/roles/mongodb/tasks/main.yml
index d3aa40528..ea53690fd 100644
--- a/roles/mongodb/tasks/main.yml
+++ b/roles/mongodb/tasks/main.yml
@@ -1,13 +1,93 @@
-- name: 'Install packages: mongodb, mongodb-server'
+# 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
+  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 MongoDB 3.0.14's 3 CORE binaries 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) 3 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 MongoDB 3.0.15's 9 TOOLS binaries 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) 9 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
+
+# 2. CONFIGURE FOR IIAB
+
 - name: 'Create 3 dirs for MongoDB: /var/run/mongodb, {{ mongodb_db_path }}, /var/log/mongodb'
   file:
     state: directory
@@ -30,6 +110,8 @@
     - { 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
@@ -45,6 +127,8 @@
     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 }}"