After upgradeing icinga2 with USE="postgres -mysql" I got message from pkg_postinst(): DB IDO schema upgrade required. http://docs.icinga.org/icinga2/snapshot/chapter-2.html#upgrading-the-mysql-database You will need to update your configuration files, see https://dev.icinga.org/issues/5909 Reproducible: Always Expected Results: I think it would be better to use more generic url: http://docs.icinga.org/icinga2/snapshot/doc/module/icinga2/chapter/upgrading-icinga-2
fixed in place