Rejoining a Node

Rejoin a node to a MariaDB ColumnStore cluster through MaxScale's REST API, calling the mariadbmon module's rejoin command via MaxCtrl or another REST client.

To rejoin a node with ColumnStore, perform the following procedure.

Performing Rejoin in MaxScale

The node can be configured to rejoin in MaxScale using MaxScale's REST API:

• Use MaxCtrl or another supported REST client.

• Call a module command using the call command command.

• As the first argument, provide the name for the module, which is mariadbmon.

• As the second argument, provide the module command, which is rejoin .

• As the third argument, provide the name of the monitor.

• As the fourth argument, provide the name of the server.

For example:

maxctrl call command \
   mariadbmon \
   rejoin \
   mcs_monitor \
   mcs3

Checking Replication Status with MaxScale

MaxScale is capable of checking the status of MariaDB Replication using MaxScale's REST API:

• List the servers using the list servers command, like this:

maxctrl list servers

If the node properly rejoined, the State column of the node shows Slave, Running.

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