Adrian Klaver <adrian.klaver@xxxxxxxxxxx> writes: > On 3/13/20 6:47 AM, Zwettler Markus (OIZ) wrote: > >> We are running Postgres 9.6 on server A. >> >> We want to upgrade it to Postgres 12 on server B. >> >> pg_upgrade requires the old (-b) and new (-B) binary set on the same server. >> >> We don't want to install both binary sets on the same server as we >> had some library conflicts in the past. >> >> Is there still a way to use pg_upgrade without the old (-b) binary >> set (I am aware of pg_dump/pg_restore)? > > No. As I understand it pg_upgrade needs to see the state of old > instance to recreate that state on the new instance. True. PgUpgrade will start/stop both versions separately perhaps a couple of times as part of the workflow. > >> >> Markus >> -- Jerry Sievers Postgres DBA/Development Consulting e: postgres.consulting@xxxxxxxxxxx
