The guides have been updated on the Customer Portal: https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/3/html/object_gateway_guide_for_red_hat_enterprise_linux/rgw-administration-rgw#quota-mgmt-enable-disable-user-quota-rgw https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/3/html/object_gateway_guide_for_ubuntu/rgw-administration-rgw#quota-mgmt-enable-disable-user-quota-rgw