diff --git a/Documentation/Monitors/Galera-Monitor.md b/Documentation/Monitors/Galera-Monitor.md index c7655ce9e..9923b89e0 100644 --- a/Documentation/Monitors/Galera-Monitor.md +++ b/Documentation/Monitors/Galera-Monitor.md @@ -1,5 +1,7 @@ # Galera Monitor +[[TOC]] + ## Overview The Galera Monitor is a monitoring module for MaxScale that monitors a Galera @@ -12,6 +14,14 @@ By default, the Galera Monitor will choose the node with the lowest `wsrep_local_index` value as the master. This will mean that two MaxScales running on different servers will choose the same server as the master. +### Galera clusters and slaves replicating from it + +MaxScale 2.4.0 added support for slaves replicating off of Galera nodes. If a +non-Galera server monitored by galeramon is replicating from a Galera node also +monitored by galeramon, it will be assigned the `Slave, Running` status as long +as the replication works. This allows read-scaleout with Galera servers without +increasing the size of the Galera cluster. + ## Configuration A minimal configuration for a monitor requires a set of servers for monitoring