Hi, fortunately the colleague returned and he ran the setup again. All apps were installed and configured and Ambari was smart enough to handle it so he did not have to install them again.
Thanks for tips Leos st 17. 6. 2020 v 16:18 odesílatel Woodcock, Michael W., M.B.A. < [email protected]> napsal: > I would suggest going thru the database change steps for clues. > https://docs.cloudera.com/HDPDocuments/Ambari-2.7.5.0/administering-ambari/content/amb_populate_the_new_ambari_database.html > . Depending on how you “downgraded” the database you may need to run > ambari-setup and make sure you are pointed at the new instance of the > database with the correct parameters. I have not downgraded a postgres DB > in-place so I don’t have first-hand knowledge of the issue. Also notice > the ambari-agent steps. > > > > Mike Woodcock > > > > *From:* Leoš Literák [mailto:[email protected]] > *Sent:* Wednesday, June 17, 2020 2:10 AM > *To:* [email protected] > *Subject:* [EXTERNAL] reinitialize ambari > > > > Hi, > > > > my colleague has installed the Ambari + Hadoop stack on our servers. He > used Postgresql 11 to store the information. Then I had to downgrade the > Postgresql to 9.3.9. I have exported the ambari schema from 11 to 9.3.9. > Since then Ambari stopped working even when we started Postgresql 11 again. > > > > The current situation is that I can log in to Ambari and it shows an > empty installation with Launch wizard. Hadoop is stopped and there are no > manual scripts. The colleague is not available and I need to continue. > > > > It is Ambari 2.6.2.2. > > >
