Describe the issue: 1) Detailed step by step, preferably tested by QA/QE, that outlines how to add another RGW to external ODF a) what files, secrets, etc need updated/changed? In what order? 2) Detailed step by step, preferably tested by QA/QE, that outlines how to make day 2 changes in external ODF a) ips change, updating secrets, etc. our documentation around external ODF clusters is very limited and needs to get expanded. This BZ was created from 2133547.