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

On Mon, Dec 2, 2024 at 5:18 PM Bharani SV-forum <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.

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