[BUGS] Error with Softlinks after using pg_upgrade - Mailing list pgsql-bugs

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Subject [BUGS] Error with Softlinks after using pg_upgrade
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Msg-id 184BA296A01F13429370916F47BFCD571541A93C@ITSEX203.its.verwalt-berlin.de
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Responses Re: [BUGS] Error with Softlinks after using pg_upgrade
List pgsql-bugs

Hello together,

 

as far as I can see, I found a bug with the tool pg_upgrade under PostgreSQL 9.6.2. After upgrading from Version 9.5.3 to 9.6.2 I still couldn’t start the database with the normal command pg_ctl start.

 

It said Database data are incompatible with the Server. The directory was initialized by PostgreSQL Version 9.6, which is not compatible with Version 9.5.3.

 

The error in german:

“< 2017-03-02 09:49:20.085 CET > FATAL:  Datenbankdateien sind inkompatibel mit Server

< 2017-03-02 09:49:20.085 CET > DETAIL:  Das Datenverzeichnis wurde von PostgreSQL Version 9.6 initialisiert, welche nicht mit dieser Version 9.5.3 kompatibel ist.“

 

Only after using the path /usr/pgsql-9.6/bin/pg_ctl  start it worked correctly. As far as I could find out, it’s a problem with a softlink. The softlink pgsql-pg_ctl shows still to “/usr/pgsql-9.5/bin/pg_ctl”. The faulty softlink is located in /etc/alternatives.

 

Additional Info: I’m using CentOS Linux release 7.2.1511 (Core).

 

If you need more additional informations, please ask.

 

 

Mit freundlichen Grüßen /

Regards

 

Paul Weiler

EF 9 WL
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Paul.Weiler@itdz-berlin.de

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