https://docs.rackspace.com/blog/oracle-exadata-smart-scan-feature/
https://gavinsoorma.com.au/knowledge-base/exadata-and-the-oracle-cloud-atp-database/
Patching
https://blog.pythian.com/patch-exadata-part-1-introduction-prerequisites/
https://unknowndba.blogspot.com/2019/06/exadata-datafiles-in-reco.html
