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Re: Additional Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X - Mailing list pgsql-general

From Bharani SV-forum
Subject Re: Additional Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X
Date
Msg-id 101139100.4053671.1734383960480@mail.yahoo.com
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In response to Re: Additional Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X  (Adrian Klaver <adrian.klaver@aklaver.com>)
Responses Re: Additional Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X
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Team
I am getting the following error.

pg_dump: error: error reading large object 2113418:

pg_dump: error: could not open large object 3391830: 

I tried to give this command DB name = abcefg

ALTER DATABASE abcefgd SET lo_compat_privileges=on;

and reran and once again , i am getting the same error

while doing using psql/pg_dump from old version server running 13.18 [ OS = Amazon Linux release 2 (Karoo) ].

Will be pg_dump and pg_restore to restore in the new VM with new OS [OS= amazon linux 2023] and new DB bin pgsql ver 15.09.

We were told by AWS team, in the new VM tagged OS [OS= amazon linux 2023] , pgsql Ver 13.16 is not supported

I cross checked
SELECT oid, count(*)  FROM pg_largeobject_metadata group by oid order by oid ;
Rows =  4260170 rows

Can you suggest


On Wednesday, December 11, 2024 at 03:57:31 PM EST, Adrian Klaver <adrian.klaver@aklaver.com> wrote:


On 12/11/24 11:12, Bharani SV-forum wrote:
> Team
> As suggested from old server, post shutdown of DB, I did OS level dump
> of PG_DATA folder and had restored in the new server.

If you follow the process shown here:

https://www.postgresql.org/message-id/CAKAnmmKZdhnhdNRd3OgDyEco9OPkT%3DqA_TeWMFMRvUM9pXauKg%40mail.gmail.com

You would not have to do the below.

>
> Any idea on how to install the older binary postgres 13.18 ( OS=Amazon
> Linux 2023.6.20241121) under a dedicated folder suffixed as the
> following e.g.) /usr/pgsql1318
>
> System Admin had already installed newer version pgsql 15.08 binaries in
> the  new server (OS= Amazon Linux 2023.6.20241121) in the folder "/usr/bin/"
>
> We were quoted , OS = Amazon Linux 2023.6.20241121 doesnot support
> postgres ver 15.10 (Community edition) under its AWS-EC2.

That does not reflect well on Amazon Linux, that it is missing two
critical bug releases.


>
> Regards
>
>
>

--
Adrian Klaver
adrian.klaver@aklaver.com



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