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Re: Pre-version pg_upgrade syntax check

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On 2/10/20 1:59 PM, Rich Shepard wrote:
Running Slackware-14.2/x86_64. Current installation is postgres-11.5 and I'm
upgrading to postgresql-12.1. Both versions are installed and stopped.

If I have correctly read the pg_upgrade manual page this is the command to
use (as user postgres) with lines split to fit the message; the command will
be on a single line:

pg_upgrade \
-b /usr/lib64/postgresql/11/bin/ \
-B /usr/lib64/postgesql/12/bin/ \
-d /var/lib/pgsql/11/data/ \
-D /var/lib/pgsql/12/data/ \
-p 5432 \
-P 5432

I don't know that the port numbers are required.

They are not:

https://www.postgresql.org/docs/12/pgupgrade.html

"Obviously, no one should be accessing the clusters during the upgrade. pg_upgrade defaults to running servers on port 50432 to avoid unintended client connections. You can use the same port number for both clusters when doing an upgrade because the old and new clusters will not be running at the same time. However, when checking an old running server, the old and new port numbers must be different."



Have I missed an option?

Not a required one. Best way to find out is to run --check.


Rich




--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx





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