Adrian Klaver <adrian.klaver@aklaver.com> 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@comcast.net
