LAB-time: upgrading Grid Infrastructure (GI) from 12.1 to 18c
EDIT: This post is meant for playing around and this way is unsupported. The good way of upgrading is described here First of all I like to start with telling you that this blog-post is intended only for testing, playing, learning,… things. It is not intended for production use and currently 18c is only available for Cloud and engineered systems environments. For on-premises availability check Mike Dietrich’s ( @MikeDietrichDE ) blog here: https://mikedietrichde.com/2018/03/20/when-will-oracle-database-18c-be-available-on-prem/ . There I like his sentence that I…