The RabbitMQ Management UI in version 3.13 no longer displays disc details in the info tab.
This issue applies to RabbitMQ version 313 and subsequent releases.
RabbitMQ has deprecated RAM nodes, and they will be completely removed in RabbitMQ 4.0. In preparation for this deprecation, the Management UI has removed the disk details from the info tab
The recommended alternative is to use disk nodes with fast storage. Disk nodes provide better data persistence and are more suitable for highly available clusters.
If you're currently using RAM nodes in your RabbitMQ setup, you should plan to migrate to disk nodes before upgrading to RabbitMQ 4.0.
This involves: