Description of problem: Chapter 4. Minimum Recommendations (RHCS 2 HW Guide) does not contain the minimum requirements for RGW or MDS nodes. The requirements need to be added. Version-Release number of selected component (if applicable): v2 https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/2/html-single/red_hat_ceph_storage_hardware_guide/#minimum_recommendations How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: