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@ja9fuchs ja9fuchs commented Oct 2, 2025

=== DRAFT ===

Preparations for scale-out HA setup...

What works

  • classic scale-out HA setup of the HANA nodes on RHEL
  • scale-out HA setup with 'angi' of the HANA nodes on RHEL
  • classic scale-up setup tested, still works (RHEL) ;)
  • basic validation of # of play hosts and failure if the majority-maker host (per variable def) is a play host

Missing / Known issues

Sharing this as an early preview. I ran out of time to complete it yet, due to my upcoming vacation.
I will fill the gaps when back.

  • Suse specific preparations
  • SR state attributes are partially missing since there is no event happening that triggers the attribute update (need to test if that happens in scale-up and we overlooked it, could possibly be ignored since there is a fallback)
  • no majority-maker setup covered yet, only HANA nodes - I have ideas for that
  • README update, my generator playbook is outdated

Make the sudo files config more flexible. This makes it possible to
align them to the different vendor documentation.
Post-steps for scale-up and scale-out are the same, consolidate the
files and make the include generic.
- deleted an unused variable
- changed the scale-out vars file name to match the type
- disable Autostart in the HANA profiles
- prepare vars for scale-out support
- RedHat: prepare vars dicts for scale-out support
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