The docs explicitly state to set persistenceEnabled: true . that is incorrect.
The necessary pvc will be created by the extra volume and configured via properties.

Also, I just noticed that the docs instruct you to create a PVC with ReadWriteOnce. Which is also incorrect.
https://docs.redhat.com/en/documentation/red_hat_amq_broker/7.13/html/deploying_amq_[…]assembly-br-configuring-operator-based-deployments_broker-ocp

similar issue with the tutorial for reference.

https://github.com/aboucham/activemq-artemis-tutorials/pull/6