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List:       postgresql-general
Subject:    Re: Getting error while upgrading postgres from version 12 to 13
From:       Tomas Pospisek <tpo2 () sourcepole ! ch>
Date:       2023-03-18 21:30:07
Message-ID: ba59dd9b-6a87-ebff-c041-2dbcffe74a89 () sourcepole ! ch
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> On Sun, Mar 19, 2023 at 2:09 AM shashidhar Reddy 
> <shashidharreddy001@gmail.com <mailto:shashidharreddy001@gmail.com>> wrote:
> 
>     Hello,
> 
>     I am in a process of upgrading postgresql from version 12 to 13
>     using pg_upgrdrade but I am getting error stating
> 
>       FATAL:  database files are incompatible with server
>       DETAIL:  The data directory was initialized by PostgreSQL version 13
>     , which is not compatible with this version 12.14 (Ubuntu
>     12.14-1.pgdg18.04+1)
> 
>     Please help me on this issue.

You have configured the postgres v12 server to use a directory where 
there are data from a postgres v13 server. Evidently that can not work...
*t



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