rescue databases after upgrade?

From: test(at)fredens(dot)net
To: pgsql-novice(at)postgresql(dot)org
Subject: rescue databases after upgrade?
Date: 2005-01-12 13:01:42
Message-ID: 32879.192.38.5.57.1105534902.squirrel@192.38.5.57
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Hi, i was running sql-ledger on redhat 9, then I upgraded to fedora core 3
and postgresql 7.4.6.

Now there's an error message saying "you need to upgrade data format
before using postgresql"

On webpages like

http://www.postgresql.org/docs/7.4/static/install-upgrading.html

There's advice how to backup databases and then upgrade postgresql, but is
the procedure the same when postgresql already has been upgraded, or is
there a special "rescue" procedure ?

Kind regards

Uffe A. Fredens

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