Update database documentation.

doc/install/database_mysql.md

+## Note
+
+We do not recommend using MySQL due to various issues. For example, case [(in)sensitivity](https://dev.mysql.com/doc/refman/5.0/en/case-sensitivity.html) and [problems](http://bugs.mysql.com/bug.php?id=65830) that [suggested](http://bugs.mysql.com/bug.php?id=50909) [fixes](http://bugs.mysql.com/bug.php?id=65830) [have](http://bugs.mysql.com/bug.php?id=63164) .
+
+## MySQL
+
+  # Install the database packages
+  sudo apt-get install -y mysql-server mysql-client libmysqlclient-dev
+
+  # Pick a database root password (can be anything), type it and press enter
+  # Retype the database root password and press enter
+
+  # Secure your installation.
+  sudo mysql_secure_installation
+
+  # Login to MySQL
+  mysql -u root -p
+
+  # Type the database root password
+
+  # Create a user for GitLab
+  # do not type the 'mysql>', this is part of the prompt
+  # change $password in the command below to a real password you pick
+  mysql> CREATE USER 'git'@'localhost' IDENTIFIED BY '$password';
+
+  # Create the GitLab production database
+  mysql> CREATE DATABASE IF NOT EXISTS `gitlabhq_production` DEFAULT CHARACTER SET `utf8` COLLATE `utf8_unicode_ci`;
+
+  # Grant the GitLab user necessary permissions on the table.
+  mysql> GRANT SELECT, LOCK TABLES, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER ON `gitlabhq_production`.* TO 'git'@'localhost';
+
+  # Quit the database session
+  mysql> \q
+
+  # Try connecting to the new database with the new user
+  sudo -u git -H mysql -u git -p -D gitlabhq_production
+
+  # Type the password you replaced $password with earlier
+
+  # You should now see a 'mysql>' prompt
+
+  # Quit the database session
+  mysql> \q
+
+  # You are done installing the database and can go back to the rest of the installation.

doc/install/databases.md

@@ -2,52 +2,8 @@
 
 GitLab supports the following databases:
 
-* MySQL (preferred)
-* PostgreSQL
-
-
-## MySQL
-
-    # Install the database packages
-    sudo apt-get install -y mysql-server mysql-client libmysqlclient-dev
-
-    # Pick a database root password (can be anything), type it and press enter
-    # Retype the database root password and press enter
-
-    # Secure your installation.
-    sudo mysql_secure_installation
-
-    # Login to MySQL
-    mysql -u root -p
-
-    # Type the database root password
-
-    # Create a user for GitLab
-    # do not type the 'mysql>', this is part of the prompt
-    # change $password in the command below to a real password you pick
-    mysql> CREATE USER 'git'@'localhost' IDENTIFIED BY '$password';
-
-    # Create the GitLab production database
-    mysql> CREATE DATABASE IF NOT EXISTS `gitlabhq_production` DEFAULT CHARACTER SET `utf8` COLLATE `utf8_unicode_ci`;
-
-    # Grant the GitLab user necessary permissions on the table.
-    mysql> GRANT SELECT, LOCK TABLES, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER ON `gitlabhq_production`.* TO 'git'@'localhost';
-
-    # Quit the database session
-    mysql> \q
-
-    # Try connecting to the new database with the new user
-    sudo -u git -H mysql -u git -p -D gitlabhq_production
-
-    # Type the password you replaced $password with earlier
-
-    # You should now see a 'mysql>' prompt
-
-    # Quit the database session
-    mysql> \q
-
-    # You are done installing the database and can go back to the rest of the installation.
-
+* PostgreSQL (preferred)
+* [MySQL](doc/install/database_mysql.md)
 
 ## PostgreSQL
 

doc/install/installation.md

@@ -144,7 +144,7 @@ GitLab Shell is an ssh access and repository management software developed speci
 
 # 5. Database
 
-To setup the MySQL/PostgreSQL database and dependencies please see [doc/install/databases.md](./databases.md).
+To setup the PostgreSQL/MySQL database and dependencies please see [doc/install/databases.md](doc/install/databases.md).
 
 
 # 6. GitLab