On 3/18/23 19:26, shashidhar Reddy wrote:
Can someone please help me with this?

You have already been helped:

https://www.postgresql.org/message-id/ba59dd9b-6a87-ebff-c041-2dbcffe74a89%40sourcepole.ch

"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..."


On Sun, 19 Mar, 2023, 2:54 am shashidhar Reddy, <shashidharreddy...@gmail.com <mailto:shashidharreddy...@gmail.com>> wrote:

    and adding to this the following is also showing in the error, we
    tried changing the file permissions but still no luck
    FATAL:  could not load private key file
    "/etc/ssl/private/ssl-cert-snakeoil.key": key values mismatch

    On Sun, Mar 19, 2023 at 2:09 AM shashidhar Reddy
    <shashidharreddy...@gmail.com <mailto:shashidharreddy...@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.
-- Shashidhar



-- Shashidhar


--
Adrian Klaver
adrian.kla...@aklaver.com



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