Upgrade from 2.7.3 to 2.9.3 without updating backend


is it possible to upgrade icingaweb2 from 2.7 β†’ 2.9 without ugprading Icinga Backend (2.11) ? And is it also possible to dont use icingadb with 2.9?

Greetings fl0w

  • Icinga Web 2 version 2.7.3
  • Icinga 2 version used (icinga2 --version) 2.11.3
  • PHP version used (php --version) PHP 7.3.29-1~deb10u1
  • Server operating system and version Debian 10

Never tried it, but I think that should work.
check the upgrading docs as well: https://icinga.com/docs/icinga-web-2/latest/doc/80-Upgrading/#upgrading-icinga-web-2

If you decide to try it be sure to do a DB backup and snapshot the servers

Not sure what you mean by that but:

  • icinga web 2 2.8+ is ready for icingadb, but
    – icingadb isn’t released yet (only a RC)
    – Icinga IDO DB is still the default
  • if you wanted to use icingadb you would have to update to icinga2 v2.12+
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