How do I connect to a MariaDB cluster?

How do I connect to a MariaDB cluster?

To start MariaDB cluster:

1. Check ports 4444 and 4567. These ports must be free and open for connections from hosts to the other nodes.
2. Stop the running MariaDB service by running this command on each node.
3. Start up your first node with a special parameter.
4. On each of the other nodes, start MariaDB as you normally would.

How do you use Galera cluster?

The following steps will be performed:

1. Stop all nodes in the Galera setup.
2. Copy the backup files to the selected server.
3. Restore the backup.
4. Once the restore job is completed, ClusterControl will bootstrap the restored node.
5. ClusterControl will start the remaining nodes by using the bootstrapped node as the donor.

Do you need to enable Galera Cluster in MariaDB?

A number of options need to be set in order for Galera Cluster to work when using MariaDB. These should be set in the MariaDB option file. Several options are mandatory, which means that they *must* be set in order for Galera Cluster to be enabled or to work properly with MariaDB.

Is there a Galera Cluster for MySQL 10.0?

There are 3 Galera variants – MySQL Galera Cluster by Codership, Percona XtraDB Cluster by Percona and MariaDB Galera Cluster (5.5 and 10.0) by MariaDB. Starting from MariaDB Server 10.1, the Galera is already included in the regular server (and not anymore in a separate cluster version).

When does Galera refuse to bootstrap a node?

Bootstrapping the first node solves this problem. In some cases Galera will refuse to bootstrap a node if it detects that it might not be the most advanced node in the cluster. Galera makes this determination if the node was not the last one in the cluster to be shut down or if the node crashed.

How to create a Galera Cluster using clustercontrol?

A Galera Cluster can be deployed using ClusterControl. Our architecture is illustrated as below: Install ClusterControl by following the instructions on the Getting Started page. Do not forget to setup passwordless SSH from ClusterControl to all nodes (including the ClusterControl node itself).