Add xtrabackup repo on RHEL
diff --git a/galera/map.jinja b/galera/map.jinja
index 2531408..4dc9935 100644
--- a/galera/map.jinja
+++ b/galera/map.jinja
@@ -9,7 +9,8 @@
     'config': '/etc/mysql/my.cnf',
   },
   'RedHat': {
-    'pkgs': ['galera', 'mariadb-server', 'mariadb', 'MySQL-python', 'rsync'],
+    'pkgs': ['galera', 'mariadb-galera-server', 'mariadb', 'MySQL-python', 'rsync', 'percona-xtrabackup-21'],
+    'xtrabackup_repo': 'http://www.percona.com/downloads/percona-release/redhat/0.1-3/percona-release-0.1-3.noarch.rpm',
     'service': 'mariadb',
     'wsrep_provider': '/usr/lib64/galera/libgalera_smm.so',
     'log_file': '/var/log/mariadb/mariadb.log',
@@ -28,7 +29,8 @@
     'config': '/etc/mysql/my.cnf',
   },
   'RedHat': {
-    'pkgs': ['galera', 'mariadb-server', 'mariadb', 'MySQL-python', 'rsync'],
+    'pkgs': ['galera', 'mariadb-galera-server', 'mariadb', 'MySQL-python', 'rsync', 'percona-xtrabackup-21'],
+    'xtrabackup_repo': 'http://www.percona.com/downloads/percona-release/redhat/0.1-3/percona-release-0.1-3.noarch.rpm',
     'service': 'mariadb',
     'wsrep_provider': '/usr/lib64/galera/libgalera_smm.so',
     'log_file': '/var/log/mariadb/mariadb.log',