How to use external ceph cluster? The document just goes about director deployed ceph Reported by: oelswah https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/17.0/html/director_installation_and_usage/assembly_provisioning-and-deploying-your-overcloud#annotations:2cd11812-3bc0-4902-9e17-dec2adc82ee3