High availability RabbitMQ via AMQP
The AMQP server is used as a default server for many OpenStack services through RabbitMQ. Making the service highly available involves configuring a DRDB device.
Configuring DRDB
The configuration of DRDB involves the following:
- RabbitMQ can use the configured DRDB device
- Data Directory residing in this RabbitMQ device can be used by this configuration
- Virtual IP (VIP) selects and assigns floating IPs in a free manner among the cluster nodes
The RabbitMQ DRDB resource configuration is done with the following command:
sudo nano /etc/drbd.d/rabbit.res
The rabbitmq directory is mounted from the DRDB resource for the Pacemaker-based ...
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