Docs: highlight geo configuration depends on prior stages

Database replication must be completed before GitLab Geo can be
configured. This has tripped up at least one customer, so adding
documentation to make this clearer.

doc/gitlab-geo/configuration.md

@@ -5,12 +5,18 @@ This is the documentation for the Omnibus GitLab packages. For installations
 from source, follow the [**GitLab Geo nodes configuration for installations
 from source**](configuration_source.md) guide.
 
+>**Note:**
+Stages of the setup process must be completed in the documented order.
+Before attempting the steps in this stage, complete all prior stages.
+
 1. [Install GitLab Enterprise Edition][install-ee] on the server that will serve
-   as the secondary Geo node. Do not login or set up anything else in the
+   as the **secondary** Geo node. Do not login or set up anything else in the
    secondary node for the moment.
+1. [Upload the GitLab License](../user/admin_area/license.md) to the **primary** Geo Node to unlock GitLab Geo.
 1. [Setup the database replication](database.md) (`primary (read-write) <-> secondary (read-only)` topology).
 1. [Configure SSH authorizations to use the database](ssh.md)
 1. **Configure GitLab to set the primary and secondary nodes.**
+1. Optional: [Configure a secondary LDAP server](../administration/auth/ldap.md) for the secondary. See [notes on LDAP](#ldap).
 1. [Follow the after setup steps](after_setup.md).
 
 [install-ee]: https://about.gitlab.com/downloads-ee/ "GitLab Enterprise Edition Omnibus packages downloads page"

doc/gitlab-geo/configuration_source.md

@@ -5,9 +5,14 @@ This is the documentation for installations from source. For installations
 using the Omnibus GitLab packages, follow the
 [**Omnibus GitLab Geo nodes configuration**](configuration.md) guide.
 
+>**Note:**
+Stages of the setup process must be completed in the documented order.
+Before attempting the steps in this stage, complete all prior stages.
+
 1. [Install GitLab Enterprise Edition][install-ee-source] on the server that
-   will serve as the secondary Geo node. Do not login or set up anything else
-   in the secondary node for the moment.
+   will serve as the **secondary** Geo node. Do not login or set up anything
+   else in the secondary node for the moment.
+1. [Upload the GitLab License](../user/admin_area/license.md) you purchased for GitLab Enterprise Edition to unlock GitLab Geo.
 1. [Setup the database replication](database_source.md) (`primary (read-write) <-> secondary (read-only)` topology).
 1. [Configure SSH authorizations to use the database](ssh.md)
 1. **Configure GitLab to set the primary and secondary nodes.**

doc/gitlab-geo/database.md

@@ -5,11 +5,18 @@ This is the documentation for the Omnibus GitLab packages. For installations
 from source, follow the
 [**database replication for installations from source**](database_source.md) guide.
 
+>**Note:**
+Stages of the setup process must be completed in the documented order.
+Before attempting the steps in this stage, complete all prior stages.
+
 1. [Install GitLab Enterprise Edition][install-ee] on the server that will serve
-   as the secondary Geo node. Do not login or set up anything else in the
+   as the **secondary** Geo node. Do not login or set up anything else in the
    secondary node for the moment.
-1. **Setup the database replication topology:** `primary (read-write) <-> secondary (read-only)`
+1. [Upload the GitLab License](../user/admin_area/license.md) to the **primary** Geo Node to unlock GitLab Geo.
+1. **Setup the database replication** (`primary (read-write) <-> secondary (read-only)` topology).
+1. [Configure SSH authorizations to use the database](ssh.md)
 1. [Configure GitLab](configuration.md) to set the primary and secondary nodes.
+1. Optional: [Configure a secondary LDAP server](../administration/auth/ldap.md) for the secondary. See [notes on LDAP](#ldap).
 1. [Follow the after setup steps](after_setup.md).
 
 [install-ee]: https://about.gitlab.com/downloads-ee/ "GitLab Enterprise Edition Omnibus packages downloads page"

doc/gitlab-geo/database_source.md

@@ -5,10 +5,16 @@ This is the documentation for installations from source. For installations
 using the Omnibus GitLab packages, follow the
 [**database replication for Omnibus GitLab**](database.md) guide.
 
+>**Note:**
+Stages of the setup process must be completed in the documented order.
+Before attempting the steps in this stage, complete all prior stages.
+
 1. [Install GitLab Enterprise Edition][install-ee-source] on the server that
-   will serve as the secondary Geo node. Do not login or set up anything else
-   in the secondary node for the moment.
-1. **Setup the database replication topology:** `primary (read-write) <-> secondary (read-only)`
+   will serve as the **secondary** Geo node. Do not login or set up anything
+   else in the secondary node for the moment.
+1. [Upload the GitLab License](../user/admin_area/license.md) you purchased for GitLab Enterprise Edition to unlock GitLab Geo.
+1. **Setup the database replication topology** (`primary (read-write) <-> secondary (read-only)`)
+1. [Configure SSH authorizations to use the database](ssh.md)
 1. [Configure GitLab](configuration_source.md) to set the primary and secondary
    nodes.
 1. [Follow the after setup steps](after_setup.md).