Re: Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X
Date: 2024-12-02 22:46:10
Message-ID: 07ab2d83-ffe5-4bec-9626-22a68f732579@aklaver.com
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On 12/2/24 14:31, Ron Johnson wrote:
> On Mon, Dec 2, 2024 at 5:18 PM Bharani SV-forum
> <esteembsv-forum(at)yahoo(dot)com <mailto:esteembsv-forum(at)yahoo(dot)com>> wrote:
>
> Team
> Pl Help in vetting my steps for Postgres DB upgrade from Ver 13.X to
> ver 15.X
>
> Env = EC2 based Community PostgreSQL Ver 13.16.2
>
> we will be performing upgrade of our EC2 server too along with new OS.
>
> Need help in vetting my steps for Postgres DB upgrade from Ver 13.X
> to ver 15.X
> *ASIS-existing server = EC2 with Community PostgreSQL Ver 13.16.2*
> - ensure to capture all the pre.req meant for ver 15.10 are being met.
> - shutdown db.
> - take offline full backup (PG_DATA folder alone)  using OS command
>
> *Proposed-new EC2 server (with new Operating System version along
> Postgres Ver 15.10 Binaries)*
> - install postgres 15.10 binaries
> - ensure to DISABLE auto startup and shutdown of postgres 15.10
> -  Restore offline full backup (PG_DATA folder alone) using OS command
> -  start performing pg_upgrade step to upgrade postgres from ver
> 13.16.2 to 15.10
>
> please guide me, if i have missed any steps in the abovesaid process
>
> To start new DB features, planning to rollout out the following
> feature's alone
> a) TLE extension for password compliance
> b) parallelize vacuum jobs to utilize -j option
>
>
> To migrate from one server to another while upgrading, one must use
> pg_dump/pg_restore OR Logical Replication.

Really?

Then this:

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

must be random nose.

>
> --
> Death to <Redacted>, and butter sauce.
> Don't boil me, I'm still alive.
> <Redacted> lobster!

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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