During an upgrade to 12.2.1.4 and in the step running GRID root scripts, the upgrade fails with:
[DCS-10001:Internal error encountered: Fail to run root scripts..]
After that if you run the upgrade again, you will get the following error:
[DCS-10001:Internal error encountered: Fail to extract the GI clone file.]
When I got there error’s, I found in the logging (/u01/app/12.2.0.1/grid/install/root_<host_name>_<date>_<time>-<more_numbers>.log) that there was no PKI trust set up between the ODA and ‘itself’ (aka passwordless login). The Oracle GRID upgrade works by accessing all the nodes in it’s cluster via ssh, including itself. But This was a single (non HA) machine (X6-2M), so did not expect it. Continue reading