On Tue, May 4, 2021 at 06:29:17PM +0200, Arne Henrik Segtnan wrote: > Hi, > > When trying to upgrade from PostgreSQL 10 to 12, the installation fails as > shown below. > > # pg_upgradecluster --link --method=upgrade 10 main /dbdata/zabbix > > > From PosgreSQL log: > 2021-05-04 13:06:04.780 CEST [12861] LOG: database system is ready to accept > connections > done > server started > . > . > 2021-05-04 13:06:05.614 CEST [12890] postgres@zabbix_db ERROR: column > r.relhasoids does not exist at character 1616 pg_class.relhasoids was removed in PG 12. > - Other upgrade methods (clone/dump) fails with the same errors. OK, so the problem is really pg_dump. > Anyone seen similar issue? Nope, something very odd going on here. -- Bruce Momjian <bruce@xxxxxxxxxx> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.