Hi all,
I’m going to be upgrading a multi-gateway architecture from 8.1 to 8.3. Generally speaking, I have the process for updating a singular gateway along with custom code changes for the project for 8.1 to 8.3 with no issues. The main issue comes when I have multi-gateways with backups and ignition servers dedicated for data-collection with ignition edge. Think of it as Ignition gateways collecting data, with frontend gateways getting that data and running perspective, each active gateway coming with a backup gateway as well.
As I have to do this upgrade live, my plan is to start with the gateways that receive data and go lower level from there. Meaning start with the frontend (backups first) then make my way down to the gateways running historian and ignition edge. I was wondering if anyone else has experience with this and can comment on any edge cases I may be missing here.
Thanks for taking a look!