On Wed, 2020-11-18 at 11:05 -0500, Stephen Haddock wrote: > When upgrading an older version of postgres, version 8.4 for example, to a newer > version such as 9.6, does the data have to be migrated immediately? Since nobody mentioned that explicitly: do not upgrade to 9.6. If you upgrade, move to v13. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com