diff --git a/roles/galera/tasks/configure.yml b/roles/galera/tasks/configure.yml
index 5b538c2..7ad980c 100644
--- a/roles/galera/tasks/configure.yml
+++ b/roles/galera/tasks/configure.yml
@@ -1,86 +1,119 @@
 ---
-# Configure MySQL with Galera
+# Configure MariaDB
 
 - stat: path=/var/local/mysql_reset
   register: mysql_reset
 
 - name: Copy phabricator stop words
   copy: src=stopwords.txt dest=/srv/stopwords.txt
 
 - name: Copy minimal mysql config
   template: src=my-mini.cnf dest=/etc/my.cnf
   when: not mysql_reset.stat.exists
   notify: stop mysql
 
 - name: Reset MySQL root password
   shell: /etc/init.d/mysql start --skip-grant-tables; mysql -u root -e 'flush privileges; SET PASSWORD FOR 'root'@'localhost' = PASSWORD("");'; touch /var/local/mysql_reset; service mysql stop
   when: not mysql_reset.stat.exists
   args:
     creates: /var/local/mysql_reset
 
 - name: Copy mysql config
   template: src=my.cnf dest=/etc/my.cnf
 
-- name: Check Galera status
-  shell: mysql -e "SHOW STATUS LIKE 'wsrep_evs_state';" -s | awk '{print $2}'
-  register: galera_status
+- name: Start mysql server
+  service: name=mysql state=started enabled=true
 
-- name: Bootstrap MySQL Galera cluster
-  shell: service mysql stop; /etc/init.d/mysql bootstrap
-  when: "'{{ inventory_hostname }}' == '{{ groups.dbs[0] }}' and galera_status.stdout != 'OPERATIONAL'"
+# Configure replication
+- name: Create database replication user
+  mysql_user:
+    state=present
+    user={{ mysql_repl_user }}
+    password={{ mysql_repl_pass }}
+    priv=*.*:REPLICATION_SLAVE
+    host='%'
+  run_once: yes
 
-- service: name=mysql state=started enabled=false
+- name: Check slave replication status
+  mysql_replication: mode=getslave
+  ignore_errors: true
+  register: slave
   when: "'{{ inventory_hostname }}' != '{{ groups.dbs[0] }}'"
 
+- name: Check master replication status
+  mysql_replication: mode=getmaster
+  delegate_to: "{{ mysql_replication_master }}"
+  register: master
+  when: "'{{ inventory_hostname }}' == '{{ groups.dbs[0] }}'"
+
+- name: Configure replication on the slave
+  mysql_replication:
+    mode: changemaster
+    master_host: "{{ groups.dbs[0] }}"
+    master_user: "{{ mysql_repl_user }}"
+    master_password: "{{ mysql_repl_pass }}"
+    master_log_file: "{{ master.File }}"
+    master_log_pos: "{{ master.Position }}"
+  ignore_errors: True
+  when: >
+    inventory_hostname != groups.dbs[0]
+    and slave|failed
+
+- name: Start replication
+  mysql_replication: mode=startslave
+  when: >
+    inventory_hostname != groups.dbs[0]
+    and slave|failed
+
 # Users
 
 - name: Create database app user
   mysql_user:
     state=present
     user={{ mysql_app_user }}
     password={{ mysql_app_pass }}
     priv=*.*:ALL
     host={{ mysql_host }}
   run_once: yes
 
 - name: Create haproxy user
   mysql_user:
     state=present
     user={{ mysql_lbs_user }}
     password=""
     priv=*.*:ALL
     host={{ internal_ip }}
   run_once: yes
 
 - name: Create Shibboleth user
   mysql_user:
     state=present
     user={{ mysql_shib_user }}
     password={{ mysql_shib_pass }}
     priv={{ mysql_shib_db }}.*:ALL
     host={{ mysql_host }}
   run_once: yes
 
 - name: Copy Shibboleth db schema
   copy:
       src: "install_shib.sql"
       dest: "/tmp/install_shib.sql"
   run_once: yes
 
 - name: Create Shibboleth db
   mysql_db:
     name: "{{ mysql_shib_db }}"
   run_once: yes
 
 - name: Check if Shibboleth tables exist
   shell: "mysql {{ mysql_shib_db }} -e 'show tables' | grep strings"
   register: tablestatus
   ignore_errors: yes
   run_once: yes
 
 - name: Populate Shibboleth db
   mysql_db:
     name: "{{ mysql_shib_db }}"
     target: /tmp/install_shib.sql
     state: import
   when: "'{{ inventory_hostname }}' == '{{ groups.dbs[0] }}' and tablestatus.rc != 0"
diff --git a/roles/galera/tasks/install.yml b/roles/galera/tasks/install.yml
index 1ae1cca..fa02531 100644
--- a/roles/galera/tasks/install.yml
+++ b/roles/galera/tasks/install.yml
@@ -1,17 +1,9 @@
 ---
-# Install MySQL and Galera
-
-- name: Copy Galera yum config
-  copy: src="{{ yum_repo }}" dest=/etc/yum.repos.d/galera.repo
-
-- name: Shared MySQL lib
-  shell: yum upgrade -y mysql-wsrep-shared-5.5 -x mysql-wsrep-shared-5.6
+# Install MariaDB
 
 - yum:
     name="{{ item }}"
     state=latest
     update_cache=yes
   with_items:
-    - MySQL-python
-    - mysql-wsrep-5.6
-    - galera-3
+      - mariadb-server
diff --git a/roles/galera/templates/my.cnf b/roles/galera/templates/my.cnf
index 79e2b1a..9dccf90 100644
--- a/roles/galera/templates/my.cnf
+++ b/roles/galera/templates/my.cnf
@@ -1,29 +1,23 @@
 [mysqld]
 datadir=/var/lib/mysql
 socket=/var/lib/mysql/mysql.sock
 symbolic-links=0
 sql_mode=STRICT_ALL_TABLES
 max_allowed_packet=33554432
 ft_stopword_file=/srv/stopwords.txt
 ft_min_word_len=3
 ft_boolean_syntax=' |-><()~*:""&^'
 innodb_buffer_pool_size=1600M
-#wsrep_provider=/usr/lib64/galera-3/libgalera_smm.so
-#wsrep_cluster_address="gcomm://{{ groups['dbs']|join(',') }}"
-binlog_format=row
-#max_binlog_files=30
+binlog_format=MIXED
 default_storage_engine=InnoDB
 innodb_autoinc_lock_mode=2
-innodb_flush_log_at_trx_commit=2
+innodb_flush_log_at_trx_commit=1
 bind-address=0.0.0.0
-#wsrep_cluster_name="{{ mysql_cluster_name }}"
-#wsrep_sst_method=rsync
-#wsrep_node_address="{{ ansible_eth0.ipv4.address }}"
-#wsrep_node_name="{{ ansible_eth0.ipv4.address }}"
-#wsrep_provider_options="gcs.fc_limit = 256; gcs.fc_factor = 0.99; gcs.fc_master_slave = yes"
 log-bin="{{ mysql_cluster_name }}"
 log-slave-updates
+sync_binlog=1
+server_id={{ ansible_hostname|[-1:]|int+1 }}
 
 [mysqld_safe]
 log-error=/var/log/mysqld.log
 pid-file=/var/run/mysqld/mysqld.pid
diff --git a/vars/main.yml.example b/vars/main.yml.example
index 35f6911..50857ff 100644
--- a/vars/main.yml.example
+++ b/vars/main.yml.example
@@ -1,108 +1,110 @@
 ---
 env: prod
 project_name: "c4science"
 ansible_ssh_user: "centos"
 
 proxy: no
 http_proxy: ""
 no_proxy: "localhost"
 proxy_url: "{{ http_proxy }}"
 
 user_pwd_root: ""
 user_pwd_centos: ""
 
 # OpenStack
 keypair_name: ""
 image_id: ""
 image_id_coreos: ""
 public_net: ""
 private_net: ""
 flavor_id_small:  ""
 flavor_id_medium: ""
 flavor_id_large:  ""
 
 flavor_id_small_backup: ""
 private_net_backup: ""
 image_id_backup: ""
 
 region_main: ""
 region_back: ""
 
 # Storage
 s3_access_key: ""
 s3_secret_key: ""
 s3_endpoint: ""
 s3_bucket: ""
 s3_region: ""
 
 # Lbs
 internal_ip: 0.0.0.0
 external_ip: 0.0.0.0
 backup_ip: 0.0.0.0
 ip_range: "10.0.0.0/16"
 jenkins_port: 8080
 stats_port: 8082
 monit_port: 8081
 monit_user: admin
 monit_pass:
 
 rolling_reboot_proxy_host: "{{ external_ip }}"
 rolling_reboot_pause: 30
 rolling_reboot_wait_delay: 20
 
 # App
 developer_mode: false
 http_scheme: 'http://'
 domain: example.com
 file_domain: "{{ http_scheme }}static.{{ domain }}/"
 phabricator_path: /srv/www/facebook/
 repositories_path: /var/repo/
 phd_user: phabricator
 www_user: apache
 vcs_user: git
 vcs_port: 2222
 jenkins_admin_user: admin
 jenkins_admin_pass:
 jenkins_phab_url: "{{ http_scheme }}{{ domain }}/"
 jenkins_phab_id: "PHID-"
 jenkins_phab_secret: ""
 jenkins_url: "{{ http_scheme }}jenkins.{{ domain }}/"
 shib_metadata_file: "metadata.xml"
 shib_metadata_provider: "http://example.com/{{ shib_metadata_file }}"
 phabricator_domains:
     - "{{ domain }}"
     - 'example.com'
 google_webmaster_file: "googleXYZ.html"
 
 # Dbs
+mysql_repl_user: "repl"
+mysql_repl_pass: ""
 mysql_app_user: ""
 mysql_app_pass: ""
 mysql_shib_user: ""
 mysql_shib_pass: ""
 mysql_shib_db: "shibboleth"
 mysql_lbs_user: "haproxy"
 mysql_cluster_name: ""
 mysql_host: "10.0.0.0/255.255.0.0"
 
 # SSH
 ssh_keys:
     - "ssh-rsa mysuperkey1"
     - "ssh-rsa mysuperkey2"
 
 # Swap
 swap_path: "/swapfile"
 dd_bs_size_mb: 32
 swap_count: 128
 swappiness: 10
 vfs_cache_pressure: 50
 
 # Email
 configure_postfix: true
 enable_postfix_domain_rewrite: true
 enable_postfix_relayhost: true
 postfix_relayhost: "[{{ internal_ip }}]"
 postfix_rewrite_domain: "{{ domain }}"
 email_alias_phabricator: ""
 email_alias_postmaster: ""
 email_alias_admin: ""
 email_monitoring: ""