There should be a section mentioning what are the supported backends. There should be examples to configure Ceph RGW in addition to AWS S3 and IBM COS. Reported by: vagnerfarias https://access.redhat.com/documentation/en-us/red_hat_openshift_data_foundation/4.10/html/managing_hybrid_and_multicloud_resources/managing-namespace-buckets_rhodf#annotations:9ebac5ef-b427-4dee-ab9b-febcefc961f8