(DOCSP-29089) Non-App DBs can be deployed with OM (#199)

[JIRA](https://jira.mongodb.org/browse/DOCSP-29089)
[Build
Log](https://workerpool-boxgs.mongodbstitch.com/pages/job.html?collName=queue&jobId=66479aadcf5bec1c296d1aa5)
[Staging: Install Backing
DBs](https://preview-mongodblmkerbeymdb.gatsbyjs.io/ops-manager/DOCSP-29089/tutorial/prepare-backing-mongodb-instances/#deploy-backing-databases)
[Staging: Install
OM](https://preview-mongodblmkerbeymdb.gatsbyjs.io/ops-manager/DOCSP-29089/tutorial/install-on-prem-with-rpm-packages/#install-onprem)

While the above link for the OM installation procedure is specific to
installing from RPM, the actual installation instructions are an include
file that appears in all three installation procedure pages, so the
changes there apply to the other two. Same with the prerequisites.

Author: lmkerbey-mdb

source/includes/next-steps-on-prem-install.rst

@@ -2,6 +2,9 @@ After you install the |application| to your |onprem| hosts, you
 must :doc:`install {+mdbagent+}s </tutorial/nav/install-mongodb-agent>`
 on the hosts that will run your MongoDB deployments.
 
+You can :ref:`Enable Application Database Monitoring
+<enable-application-database-monitoring>`.
+
 You can install the {+mdbagent+} on hosts running existing MongoDB
 deployments or on hosts on which you will create new MongoDB
 deployments. Hosts that serve your MongoDB deployments must meet the

source/includes/prerequisites-on-prem-install.rst

@@ -24,8 +24,10 @@ Before you install |onprem|, you must:
 
    .. note::
 
-      |mms| cannot deploy its own backing databases. You must deploy
-      those databases manually.
+      You must deploy :term:`application databases <application
+      database>` manually. However, you can deploy backup databases
+      with |onprem|. For more information, see :ref:`Deploy Backing
+      Databases <deploy-om-appdb>`.
 
 4. Install and verify an Email Server. |onprem| needs an email server
    to :ref:`send alerts <create-alert-configuration>` and recover

source/includes/procedures/deploy-backing-dbs.rst

@@ -0,0 +1,38 @@
+.. procedure::
+   :style: normal
+
+   .. step:: Provision hosts.
+
+      Your hosts must meet the :ref:`backing-instances-prerequisites`
+      requirements.
+
+      .. important::
+
+	 Configure the MongoDB deployment for your :term:`backing
+	 databases` according to the :manual:`MongoDB Production Notes
+	 </administration/production-notes>`. If you don't, the
+	 MongoDB deployment might fail.
+
+   .. step:: Install MongoDB on each host.
+
+      Follow the steps to :manual:`Install MongoDB
+      </installation>`. If you install :product:`MongoDB Enterprise
+      <mongodb-enterprise-advanced>` for the backing database, you
+      must install the MongoDB Enterprise dependencies.
+
+   .. step:: Deploy replica sets for each backing database.
+
+      Follow the steps described in :manual:`Deploy one Replica Set
+      </tutorial/deploy-replica-set>` for each :term:`application database`.
+      After deploying your application databases, you can install |onprem|
+      using one of the following procedures:
+
+      - :ref:`Install with RPM Package <om-install-rpm>`
+      - :ref:`Install with DEB Package <om-install-deb>`
+      - :ref:`Install from Archive with Linux <om-install-archive>`
+
+      You can then perform managed :ref:`replica set deployment
+      <om-deploy-replica-set>` with |onprem| for your remaining
+      backing databases. Alternatively, you can :manual:`manually
+      deploy replica sets </tutorial/deploy-replica-set>` for each
+      backing database.

source/includes/steps-source-install-onprem.yaml

@@ -139,7 +139,11 @@ level: 4
 ref: configure-backup-database-uri
 content: |
 
-  a. On each |onprem| server that you activate as a Backup Daemon, 
+  a. :ref:`Deploy your backup databases <deploy-om-appdb>`. You can
+     use |onprem| to :ref:`manage replica set deployment
+     <om-deploy-replica-set>` after you install MongoDB on each host.
+
+  #. On each |onprem| server that you activate as a Backup Daemon, 
      create the directory that will be used as the 
      :term:`head directory <head directory>`. The directory must be:
 
@@ -149,18 +153,18 @@ content: |
 
      - writable by the ``mongodb-mms`` user.
 
-  b. Configure the :doc:`Backup Storage </tutorial/nav/backup-storage>` you
+  #. Configure the :doc:`Backup Storage </tutorial/nav/backup-storage>` you
      want to use for your snapshots.
 
-  c. Open |onprem| and verify that you are logged in as the user you
+  #. Open |onprem| and verify that you are logged in as the user you
      registered when installing |onprem|. This user is the
      :ref:`global owner <global-owner-role>`.
 
-  d. Click the :guilabel:`Admin` link at the top right of the page.
+  #. Click the :guilabel:`Admin` link at the top right of the page.
 
-  e. Click the :guilabel:`Backup` tab.
+  #. Click the :guilabel:`Backup` tab.
 
-  f. Follow the prompts to configure the Backup Daemon and Backup Storage.
+  #. Follow the prompts to configure the Backup Daemon and Backup Storage.
      |onprem| walks you through configuration of the daemon and snapshot
      storage.
 

source/tutorial/deploy-replica-set.txt

@@ -1,3 +1,5 @@
+.. _om-deploy-replica-set:
+
 ====================
 Deploy a Replica Set
 ====================

source/tutorial/install-on-prem-from-archive.txt

@@ -1,3 +1,5 @@
+.. _om-install-archive:
+
 ======================================================
 Install |onprem| from a ``tar.gz`` or ``.zip`` Archive
 ======================================================

source/tutorial/install-on-prem-with-deb-packages.txt

@@ -1,3 +1,5 @@
+.. _om-install-deb:
+
 =======================================
 Install |onprem| with a ``deb`` Package
 =======================================

source/tutorial/install-on-prem-with-rpm-packages.txt

@@ -1,3 +1,5 @@
+.. _om-install-rpm:
+
 ========================================
 Install |onprem| with an ``rpm`` Package
 ========================================

source/tutorial/prepare-backing-mongodb-instances.txt

@@ -1,3 +1,5 @@
+.. _om-install-backing-dbs:
+
 ======================================================
 Install the |application| Database and Backup Database
 ======================================================
@@ -294,7 +296,7 @@ Deploy Backing Databases
 To deploy MongoDB :manual:`replica sets </reference/glossary/#std-term-replica-set>` to host the
 |onprem| :term:`backing databases`:
 
-.. include:: /includes/steps/deploy-backing-dbs.rst
+.. include:: /includes/procedures/deploy-backing-dbs.rst
 
 Next Steps
 ----------